Page 1 3Com® VCX™ V7111 VoIP Gateway User Guide System Release 5.0 http://www.3com.com Part Number 900-0486-01 AA Published December 2007...
Page 2 3Com Corporation, 350 Campus Drive, Marlborough, MA 01752-3064 Copyright © 2007, 3Com Corporation. All Rights Reserved. No part of this documentation may be reproduced in any form or by any means or used to make any derivative work (such as translation, transformation, or adaptation) without written permission from 3Com Corporation.
Page 3: Table Of Contents
V7111 24 PORT Front Panel 27 V7111 24 PORT Rear Panel 28 Readers Notes 30 3: I V7111 G HAPTER NSTALLING THE ATEWAY Installing the V7111 1x PORT 31 Unpacking 31 Package Contents 32 ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 4 Saving Changes 61 Entering Phone Numbers in Various Tables 61 Searching for Configuration Parameters 61 Protocol Management 63 Protocol Definition Parameters 63 Configuring the Advanced Parameters 89 Configuring the Number Manipulation Tables 108 ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 5 Software Upgrade Wizard 221 Auxiliary Files 226 Maintenance 229 Locking and Unlocking the Gateway 229 Saving Configuration 231 Resetting the V7111 Gateway 232 Logging Off the Embedded Web Server 234 Readers Notes 235 ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 6 Configuring Fax Relay Mode 253 Configuring Fax/Modem Bypass Mode 253 Supporting V.34 Faxes 253 Supporting V.152 Implementation 254 FXO Operating Modes 255 IP-to-Telephone Calls 255 Telephone-to-IP Calls 260 ThroughPacket™ 263 Dynamic Jitter Buffer Operation 264 ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 7 IP QoS Using Differentiated Services (DiffServ) 290 VLANS and Multiple IPs 291 Multiple IPs 291 IEEE 802.1p/Q (VLANs and Priority) 291 Getting Started with VLANS and Multiple IPs 293 Readers Notes 298 ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 8 SIP Over TLS (SIPS) 333 Embedded Web Server Configuration 333 Secured Telnet 334 Server Certificate Replacement 334 Client Certificates 336 SRTP 337 RADIUS Login Authentication 338 Setting Up a RADIUS Server 338 Configuring RADIUS Support 340 ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 9 SNMP v3 USM Users 365 Trusted Managers 367 SNMP Ports 369 Multiple SNMP Trap Destinations 369 SNMP Manager Backward Compatibility 372 SNMP NAT Traversal 373 SNMP Administrative State Control 373 Node Maintenance 373 ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 10 3xx Response – Redirection Responses 402 4xx Response – Client Failure Responses 402 5xx Response – Server Failure Responses 404 6xx Response – Global Responses 404 Reader's Notes 405 C: B P/TFTP C PPENDIX ONFIGURATION TILITY ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 11 Encoding / Decoding an ini File 430 Creating a Loadable Prerecorded Tones File 431 Call Progress Tones Wizard 433 About the Call Progress Tones Wizard 434 Installation 434 Initial Settings 434 Recording Screen – Automatic Mode 435 ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 12 Telecommunication Safety 459 Industry Canada Notice 459 V7111 FXO Notice 460 Network Compatibility of FXO Ports 460 FCC Statement 460 ACTA Customer information 460 I: O PPENDIX BTAINING UPPORT FOR RODUCT Customer Support 463 ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 13: About This Guide
Information contained in this document is believed to be accurate and reliable at the time of printing. However, due to ongoing product improvements and revisions, 3Com cannot guarantee accuracy of printed material after the Date Published nor can it accept responsibility for errors or omissions.
Page 14: Conventions
Information that describes important features or instructions. Caution Information that alerts you to potential loss of data or potential damage to an application, device, system, or network. Warning Information that alerts you to potential personal injury or death. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 15: Related Documentation
Related Documentation The following documents are available on the 3Com Partner Access Web site for the 3Com V7111 gateway: 900-0485-01 V7111 VoIP Gateway Installation Guide Documentation Comments Your suggestions are important to us because we want to make our documentation more useful to you.
Page 16 The V7111 is supplied as a sealed unit and must only be serviced by qualified service personnel. Disconnect the V7111 from the mains and from the Telephone Network Voltage (TNV) before servicing. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 17: Chapter 1: Overview
The V7111 gateways enable users to make free local or international telephone / fax calls between the distributed company offices, using their existing telephones / fax. These calls are routed over the existing network ensuring that voice traffic uses minimum bandwidth. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 18 This provides the enterprise with a telephone connection (for example, RJ-11), and the capability to transmit the voice and telephony signals over a packet network. The layout diagram (Figure 1), illustrates a typical V7111 VoIP application. Typical V7111 VoIP Application Figure 1 ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 19: Sip Overview
Simple Network Management Protocol (SNMP) and Syslog support. SMDI support for Voice Mail applications. ThroughPacket™ proprietary feature that aggregates payloads from several channels into a single IP packet to reduce bandwidth overhead. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 20: V7111 1X Port Hardware Features
V7111 24 PORT parameters to their factory default values. SIP Features The V7111 SIP gateway complies with the IETF RFC 3261 standard. Reliable User Datagram Protocol (UDP) transport, with retransmissions. Transmission Control Protocol (TCP) Transport layer. SIPS using TLS. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 21 Proxy’s IP address. The message is sent per gateway or per gateway endpoint according to the AuthenticationMode parameter. Usually the FXS gateways are registered per gateway port, while FXO gateways send a single registration message, ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 22 Supports RFC 3911, The SIP Join Header Supports RFC 3911, The SIP Join Header. Supports RFC 3903, SIP Extension for Event State Publication. Supports RFC 3953, The Early Disposition Type for SIP. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 23 Implementation of MWI IETF <draft-ietf-sipping-mwi-04.txt>, including SUBSCRIBE (to the MWI server). The MediaPack FXS gateways can accept an MWI NOTIFY message that indicates waiting messages or indicates that the MWI is cleared. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 24 Supports 3-Way Conference using an external media server. For more updated information about the gateways supported features, see the latest V7111 Gateway Release Notes. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 25: Chapter 2: V7111 Gateway Physical Description
V7111 1x PORT (FXS/FXO) gateways feature similar front panel LEDs; they only differ in the number of Channel Stats LEDs, which correspond to the number of channels. V7111 18 PORT Front Panel Connectors Figure 2 ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 26: V7111 1X Port Rear Panel
V7111 18 PORT (almost identical on V7111 14 PORT and V7111 12 PORT). Table 4 lists and describes the rear panel connectors and button on the V7111 1x PORT. V7111 18 PORT Rear Panel Connectors Figure 3 ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 27: V7111 24 Port Physical Description
Restoring Networking Parameters default values Indicator LEDs on the V7111 24 PORT Front Panel Table 6 Label Type Color State Function Ready Device Status Green Device Powered, self-test OK Orange Blinking Software Loading/Initialization ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 28: V7111 24 Port Rear Panel
V7111 24 PORT. For descriptions of the V7111 24 PORT rear panel components, see Table 7. For the functionality of rear panel Ethernet LEDs, see Table V7111 24 PORT (FXS) Rear Panel Connectors Figure 5 ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 29 The Ethernet LEDs are located within each of the RJ-45 sockets. Ethernet LEDs on the V7111 24 PORT Rear Panel Table 8 Label Type Color State Function ETHERNET Ethernet Status Green Valid 10/100 Base-TX Ethernet connection Malfunction ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 30: Readers Notes
Readers Notes ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 31: Chapter 3: Installing The V7111 Gateway
Remove the V7111 1x PORT gateway from the carton. Check that there is no equipment damage. Check, retain and process any documents. Notify 3Com or your local supplier of any damage or discrepancies. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 32: Package Contents
Mounting the V7111 1x PORT on a Wall) or installed in a standard 19-inch rack (Installing the V7111 1x PORT in a 19-inch Rack). Figure 7 describes the V7111 1x PORT base. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 33 Position the four oval notches located on the base of the V7111 1x PORT (see item #2 in Figure 7) over the four screws and hang the V7111 1x PORT on them. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 34: Cabling The V7111 1X Port
Installing the V7111 1x PORT in a 19-inch Rack The V7111 1x PORT can be installed in a standard 19-inch rack by placing it on an 3Com' 19-inch rack-mounting shelf that is pre-installed in the rack. The shelf can hold up to two V7111 1x PORT gateways.
Page 35 4, 5, 7, 8 2 - Tx- 3 - Rx+ connected 6 - Rx- RJ-11 Phone Connector Pinouts Figure 10 RJ-11 Connector and Pinout 1 2 3 4 Not connected Ring Not connected ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 36 The Lifelines splitter connects pins #1 and #4 to another source of an FXS port, and pins #2 and #3 to the POTS phone. See the Lifeline splitter pinouts in Figure Lifeline Splitter Pinouts and RJ-11 Connector Figure 13 1 2 3 4 Lifeline Tip Ring Lifeline Ring ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 37: Installing The V7111 24 Port
Remove the V7111 24 PORT gateway from the carton. Check that there is no equipment damage. Check, retain and process any documents. Notify 3Com or your local supplier of any damage or discrepancies. Retain any diskettes or CDs. ® 3Com...
Page 38: Package Contents
Mounting the V7111 24 PORT on a Desktop No brackets are required. Simply place the V7111 24 PORT on the desktop in the position you require. Desktop or Shelf Mounting Figure 14 ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 39 Repeat Steps 1 to 4 to attach the second bracket to the other side of the device. Position the device in the rack and line up the bracket holes with the rack frame holes. Use four standard rack screws (not supplied) to attach the device to the rack. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 40: Cabling The V7111 24 Port
For detailed information on connecting the V7111 24 PORT RS-232 port to your PC, see cable Connecting the V7111 24 PORT RS-232 Port to Your PC AC Power cable Connect the V7111 24 PORT power socket to the mains. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 41 1 2 3 4 5 6 7 8 1 - Tx+ 4, 5, 7, 8 2 - Tx- 3 - Rx+ connected 6 - Rx- 50-pin Telco Connector (V7111 24 PORT/FXS only) Figure 17 Pin Numbers ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 42 Pin Allocation in the 50-pin Telco Connector Table 13 Phone Channel Connector Pins Phone Channel Connector Pins 1/26 13/38 2/27 14/39 3/28 15/40 4/29 16/41 5/30 17/42 6/31 18/43 7/32 19/44 8/33 20/45 9/34 21/46 ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 43 Establishing a Serial Communications Link with the V7111 V7111 24 PORT RS-232 Cable Wiring Figure 19 DB-9 female for PC DB-9 male for MP 24 DB-9 female for PC DB-9 male for MP-100 PORT ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 44: Readers Notes
Readers Notes ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 45: C 4: G S
Software Upgrade wizard, available through the Web Interface (see Software Upgrade Wizard), or alternatively use the BootP/TFTP configuration utility (see Upgrading the V7111 Gateway). For information on the configuration files, see Chapter 6: ini File Configuration of the V7111. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 46: Assigning The V7111 Gateway Ip Address
IP settings. If your network does not feature a default gateway, enter a dummy value in the Default Gateway IP Address field. Click Reset, and then at the prompt, click OK; the V7111 gateway applies the changes and restarts. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 47: Assigning An Ip Address Using Bootp
Wait for the 'configuration menu' voice prompt to be played. To change the IP address, press 1 followed by the pound key (#). The current IP address of the gateway is played. Press # to change it. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 48 MGCP call agent IP address (N/A) MGCP call agent port number (N/A) Voice menu password (initially 12345). The voice menu password can also be changed using the parameter VoiceMenuPassword (see Table 64). ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 49: Assigning An Ip Address Using The Cli
Set your serial communication software to the following communications port settings: Baud Rate: 115,200 bps (V7111 24 PORT), 9,600 bps (V7111 1x PORT) Data bits: 8 Parity: None Stop bits: 1 Flow control: None The CLI prompt becomes available. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 50: Configure The V7111 Basic Parameters
To configure the V7111 basic parameters use the Embedded Web Servers Quick Setup screen (shown in Figure 20). See Accessing the Embedded Web Server for information on accessing the Quick Setup screen. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 51 Enter the Proxy Name in the Proxy Name field. If Proxy name is used, it replaces the Proxy IP address in all SIP messages. This means that messages are still sent to the physical Proxy IP address but the SIP URI contains the Proxy name instead. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 52 VoIP gateway configuration (ini file) and store it in a directory on your PC. This saved file can be used to restore configuration settings at a future time. For information on backing up and restoring the gateways configuration, see Restoring and Backing up the Gateway Configuration. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 53: Readers Notes
Readers Notes ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 54 ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 55: Chapter 5: Web Management
Secured HTTP connection (HTTPS) (see Embedded Web Server Configuration). Limiting access to a predefined list of IP addresses (see Configuring the Web and Telnet Access List). Managed access using a RADIUS server (see SRTP). ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 56: User Accounts
If the access level of the user is equal to or greater than the screens write access level, the screen can be modified. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 57: Limiting The Embedded Web Server To Read-Only Mode
Disabling the Embedded Web Server Access to the Embedded Web Server can be disabled by using the ini file parameter DisableWebTask = 1. The default is access enabled. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 58: Accessing The Embedded Web Server
In Internet Explorer >Tools > Internet Options: Select the Security tab, select Custom Level. Scroll down until the Logon options are displayed and change the setting to: Prompt for username and password. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 59: Getting Acquainted With The Web Interface
Getting Acquainted with the Web Interface Figure 22 shows the general layout of the Web Interface screen. V7111 Web Interface Figure 22 Main Menu Submenu Title Bar Corporate Logo Search Main Action Engine Frame Control Protocol ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 60: Main Menu Bar
Home icon: when clicked it opens the 'Trunk & Channel Status' screen (see Monitoring the Gateway Channels (Home Page). Corporate logo: – 3Com corporate logo. For information on how to remove this logo see Using Parameter Tables. Search Engine: for searching ini file parameters configurable by the Embedded Web...
Page 61: Saving Changes
To search for an ini file parameter configurable by the Web server: In the Search Engine field, enter the ini parameter name or sub-string of the parameter name. Click Search. The Searched Result screen appears, listing all searched parameter results. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 62 In the searched result list, click the required parameter to open the screen in which the parameter appears. The relevant parameter is highlighted in green in the screen for easy viewing. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 63: Protocol Management
Those parameters contained within square brackets are the names used to configure the parameters using the ini file. Protocol Definition Parameters Use this submenu to configure the gateways specific SIP protocol parameters. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 64 Figure 25 Configure the general parameters under Protocol Definition according to Table Click Submit to save your changes. To save the changes so they are available after a power fail, see Saving Configuration. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 65 By Source Phone Number [6] = Select the gateway port according to the calling number. The default method is By Phone Number. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 66 Privacy header. If Caller ID is restricted, the Privacy: id is included. Otherwise for allowed Caller ID the Privacy: none is used. If Caller ID is restricted (received from Tel or configured in the gateway), the From header is set to <anonymous@anonymous.invalid>. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 67 The default value is 5060. SIP TLS Local Port Local TLS port used to receive SIP messages. [TLSLocalSIPPort] The default value is 5061. The value of TLSLocalSIPPort must be different to the value of TCPLocalSIPPort. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 68 Enable Remote-Party-ID (RPI) headers for calling and called [EnableRPIheader] numbers for Tel IP calls. Disable [0] (default). Enable [1] = RPI headers are generated in SIP INVITE messages for both called and calling numbers. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 69 Upon receiving a request with History-Info, the UAS checks the policy in the request. If 'session', 'header', or 'history' policy tag is found, the (final) response is sent without History-Info. Otherwise, it is copied from the request. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 70 SDP is received in 180/183 responses. If 180/183 with SDP message is received, the gateway cuts through the voice channel and does not play Ringback tone (default). Play According to PI [3] = N/A. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 71 SIP messages, if the Request-URI includes a tgrp parameter, the gateway routes the call according to that value (if possible). If the Contact header includes a tgrp parameter, it is copied to the corresponding outgoing messages in that dialog. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 72 Defines the string that is used in the SIP request header User-Agent [UserAgentDisplayInfo] and SIP response header Server. If not configured, the default string 3Com product-name s/w-version is used (for example, User-Agent: 3Com-Sip-Gateway-V7111 18 PORT FXS/v.4.80.004.008). When configured, the string UserAgentDisplayInfo s/w-version is used (for example, User-Agent: MyNewOEM/v.4.80.004.008).
Page 73 To configure the Proxy & Registration parameters: Open the Proxy & Registration parameters screen (Protocol Management menu > Protocol Definition submenu > Proxy & Registration option); the Proxy & Registration parameters screen is displayed. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 74 Click Submit to save your changes, or click Register or Un-Register to save your changes and to register / unregister to a Proxy / Registrar. To save the changes so they are available after a power fail, see Saving Configuration. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 75 Proxy is configured with to identify your media gateway. If specified, the gateway Name is used as the host part of the SIP URI in the From header. If not specified, the gateway IP address is used instead (default). ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 76 When port number is specified, DNS NAPTR/SR queries are not performed, even if ProxyDNSQueryType is set to 1. ini file note: The IP address of the second redundant Proxy is defined by the third repetition of the ini file parameter ProxyIP. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 77 Defines the time interval (in seconds) between refreshes of the Proxy IP [ProxyIPListRefreshTime] list. This parameter is used only when ProxyLoadBalancingMethod = 1. The interval range is 5 to 2,000,000. The default interval is 60. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 78 DNS A-record query. To enable NAPTR/SRV queries only for Proxy servers, use the parameter ProxyDNSQueryType. Enable SRV Queries This parameter is obsolete. Please use the parameter DNSQueryType. [EnableSRVQuery] ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 79 Registrar Domain Name. [RegistrarName] If specified, the name is used as Request-URI in REGISTER messages. If is not specified (default), the Registrar IP address or Proxy name or Proxy IP address is used instead. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 80 When the active proxy does not respond to INVITE messages sent by the gateway, the proxy is marked as offline. The behavior is similar to a Keep-Alive (OPTIONS or REGISTER) failure. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 81 REFER message or Contact header in 30x response) (default). Yes [1] = All INVITE messages, including those generated as a result of Transfer or Redirect are sent to Proxy. Applicable only if Proxy server is used and AlwaysSendtoProxy=0. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 82 The first coder is the highest priority coder and is used by the gateway whenever possible. If the far end gateway cannot use the coder assigned as the first coder, the gateway attempts to use the next coder and so forth. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 83 Repeat Steps 2 through 6 for the second to fifth coders (optional). Click Submit to save your changes. To save the changes so they are available after a power fail, see Saving Configuration. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 84 10, 20 (default), 30, 40, 50, Always 64 Dynamic (0- [g711AlawVbd] 60, 80, 100, 120 120) G.711U-law_VBD 10, 20 (default), 30, 40, 50, Always 64 Dynamic (0- [g711UlawVbd] 60, 80, 100, 120 120) Transparent N/A. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 85 Use this screen to configure parameters that are associated with DTMF and dialing. To configure the dialing parameters: Open the DTMF & Dialing screen (Protocol Management menu > Protocol Definition submenu > DTMF & Dialing option); the DTMF & Dialing screen is displayed. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 86 Overlap Dialing [sec] When the Interdigit Timeout expires, the gateway attempts to dial the digits [TimeBetweenDigits] already received. The valid range is 1 to 10 seconds. The default value is 4 seconds. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 87 When RFC 2833 payload type (PT) negotiation is used (TxDTMFOption=4), this payload type is used for the received DTMF packets. If negotiation is not used, this payload type is used for receive and for transmit. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 88 Defines the telephone number that the gateway uses if the TrunkGroup_x [DefaultNumber] parameter does not include a phone number. The parameter is used as a starting number for the list of channels comprising all hunt groups in the gateway. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 89: Configuring The Advanced Parameters
Use this screen to configure general control protocol parameters. To configure the general parameters under Advanced Parameters: Open the General Parameters screen (Protocol Management menu > Advanced Parameters submenu > General Parameters option); the General Parameters screen is displayed. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 90 Configure the general parameters under Advanced Parameters according to Table Click the Submit button to save your changes. To save the changes so they are available after a power fail, see Saving Configuration. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 91 (# of p * 1.5 seconds) and then sends the rest of the DTMF digits using the method chosen (in-band, out-of-band). The called number can include several p characters (1.5 seconds pause). For example, the called number can be as follows: 1001pp699, 8888p9p300. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 92 The FXO gateway sends a 200 OK response when polarity reversal signal is detected (applicable to one stage dialing only), and releases a call when a second polarity reversal signal is detected. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 93 Packets Count [1] = According to packet count. Voice/Energy Detectors [2] = According to energy and voice detectors (default). All [3] = According to packet count and energy / voice detectors. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 94 Call Progress Tones (such as Ringback tone or other network announcements). Not Configured [-1] = Default values are used. The default for FXO gateways is 1; The default for FXS gateways is 0. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 95 Defines the maximum call duration in seconds. If this time expires, both sides [MaxCallDuration] of the call are released (IP and Tel). The valid range is 0 to 120. The default is 0 (no limitation). ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 96 (relevant, for example, to PBX DID lines). This option cannot be configured on-the-fly. 3 (Polarity Reversal + Reorder Tone) = Same as 2 and 3 combined. This option cannot be configured on-the-fly. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 97 Open the Supplementary Services screen (Protocol Management menu > Advanced Parameters submenu > Supplementary Services option); the Supplementary Services screen is displayed. Supplementary Services Parameters Screen Figure 30 Configure the supplementary services parameters according to Table ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 98 Subscribe for MWI buttons to save your changes and to subscribe / unsubscribe to the MWI server. To save the changes so they are available after a power fail, see Saving Configuration. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 99 For FXS gateways a Call Forward table must be defined to use the Call Forward service. To define the Call Forward table, see Generate Caller ID to Tel. To use this service, the gateways at both ends must support this option. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 100 For FXO gateways, the Caller ID signal is detected and is sent to IP in SIP INVITE message (as Display element). For information on the Caller ID table, see Caller To disable/enable caller ID generation per port, see Generate Caller ID to Tel. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 101 MWI server IP address. If provided, the gateway subscribes to this IP address. [MWIServerIP] Can be configured as a numerical IP address or as a domain name. If not configured, the Proxy IP address is used instead. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 102: Metering Tones
This capability enables users to define different tariffs according to the Source / Destination numbers and the Time-of-Day. The tariff rate includes the time interval between the generated pulses and the number of pulses generated on answer. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 103 12 kHz [0] = 12 kHz metering tone (default). 16 kHz [1] = 16 kHz metering tone. Suitable (12 kHz or 16 KHz) coeff must be used for both FXS and FXO gateways. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 104 Click Submit to save your changes. To save the changes so they are available after a power fail, see Saving Configuration. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 105 Generate Caller ID to Tel). To configure the keypad features: Open the Keypad Features screen (Protocol Management menu > Advanced Parameters submenu > Keypad Features option); the Keypad Features screen is displayed. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 106 (that is, max digits, interdigit timeout, digit map, and the like). • The activation of each feature remains in effect until it is deactivated (that is, it is not per call). ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 107 (terminate the number with #); a confirmation tone is heard. Deactivate Keypad sequence that deactivates the delayed hotline option. [KeyHotLineDeact] After the sequence is pressed a confirmation tone is heard. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 108: Configuring The Number Manipulation Tables
Open the Number Manipulation screen you want to configure (Protocol Management menu > Manipulation Tables submenu); the relevant Manipulation table screen is displayed. Figure 34 shows the Source Phone Number Manipulation Table for Tel IP calls. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 109 Note that number manipulation can be performed using a combination of each of the above criteria, or using each criterion independently. For available notations that represent multiple numbers, see Dialing Plan Notation. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 110 If Presentation is set to Restricted and Asserted Identity Mode is set to P-Asserted, the From header in INVITE message is: From: anonymous <sip: anonymous@anonymous.invalid> and privacy: id header is included in the INVITE message. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 111 For example: 10.8.8.xx represents all the addresses between 10.8.8.10 to 10.8.8.99. The ‘*’ wildcard represents any number between 0 and 255, for example, 10.8.8.* represents all the addresses between 10.8.8.0 and 10.8.8.255. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 112 For example: 10.8.8.xx represents all the addresses between 10.8.8.10 to 10.8.8.99. The ‘*’ wildcard represents any number between 0 and 255 ,for example, 10.8.8.* represents all the addresses between 10.8.8.0 and 10.8.8.255. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 113: Mapping Npi/Ton To Phone-Context
The Phone-Context parameter appears in the standard SIP headers where a phone number is used (Request-URI, To, From, Diversion). You can also configure the Phone Context table using the ini file parameter PhoneContext (see Protocol Management ini File Parameters). ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 114 From the Add Phone Context As Prefix drop-down list, select Enable to add the received Phone-Context parameter as a prefix to outgoing ISDN SETUP Called and Calling numbers, if necessary. From the Phone Context Index drop-down list, select the index number. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 115: Configuring The Routing Tables
Use this screen to configure the gateways IP Tel and Tel IP routing parameters. To configure the general parameters under Routing Tables: Open the General Parameters screen (Protocol Management menu > Routing Tables submenu > General option); the General Parameters screen is displayed. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 116 Applicable only if number manipulation is performed after call routing for IP Tel calls (see IP to Tel Routing Mode parameter). Similar operation (of removing the prefix) is also achieved by using the usual number manipulation rules. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 117 PreferRouteTable to 1. The gateway checks the 'Destination IP Address' field in the 'Tel to IP Routing' table for a match with the outgoing call. Only if a match is not found, a Proxy is used. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 118 Tel to IP routing can be performed either before or after applying the number manipulation rules. To control when number manipulation is done, set the Tel to IP Routing Mode parameter (described in Table 31). ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 119 Source Phone Prefix Each entry in the Source Phone Prefix fields represents a calling telephone number prefix. The prefix can be 1 to 19 digits long. An asterisk (*) represents all numbers. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 120 The IP to Hunt Group Routing Table is used to route incoming IP calls to groups of channels called hunt groups. Calls are assigned to hunt groups according to any combination of the following three options (or using each independently): Destination phone prefix ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 121 Open the IP to Hunt Group Routing screen (Protocol Management menu > Routing Tables submenu > IP to Hunt Group Routing option); the IP to Hunt Group Routing table screen is displayed. IP to Hunt Group Routing Table Screen Figure 38 ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 122 In each of the Hunt Group ID fields, enter the hunt group ID to which calls that match these prefixes are assigned. Profile ID Enter the number of the IP profile that is assigned to the routing rule. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 123 IP Routing table). To configure the internal DNS table: Open the Internal DNS Table screen (Protocol Management menu > Routing Tables submenu > Internal DNS Table option); the Internal DNS Table screen is displayed. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 124 To configure the Internal SRV table, follow these steps: Open the ‘Internal SRV Table’ screen (Protocol Management menu > Routing Tables submenu > Internal SRV Table option); the ‘Internal SRV Table’ screen is displayed. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 125 If the domain name isn’t found, the gateway performs an SRV resolution using an external DNS server. This parameter can appear up to 10 times. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 126 Reasons for Alternative Routing Screen Figure 41 In the IP to Tel Reasons table, from the drop-down list select up to 4 different call failure reasons that invoke an alternative IP to Tel routing. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 127: Configuring The Profile Definitions
Web/ini file parameter values. If a value of a parameter is changed in the Web/ini file, it is automatically updated in the Profiles correspondingly. After any parameter in the Profile is modified by the user, modifications to parameters in the Web/ini file no longer impact that Profile. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 128 From the Silence Suppression drop-down list, enable or disable the silence suppression option for the coder you selected. Repeat Steps 3 to 7 for the second to fifth coders (optional). Repeat Steps 2 to 8 for the second to fourth coder groups (optional). ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 129 V7111 ports. To configure the Tel Profile settings: Open the Tel Profile Settings screen (Protocol Management menu > Profile Definitions submenu > Tel Profile Settings option); the Tel Profile Settings screen is displayed. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 130 (noted by an asterisk in the description of the parameter TelProfile_ID) of the preferred Profile are applied to that call. If the Preference of the Tel and IP Profiles is identical, the Tel Profile parameters are applied. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 131 AlwaysUseRouteTable to 1). To configure the IP Profile settings: Open the IP Profile Settings screen (Protocol Management menu > Profile Definitions submenu > IP Profile Settings option); the IP Profile Settings screen is displayed. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 132 If the coder lists of both IP and Tel Profiles apply to the same call, an intersection of the coders is performed (that is, only common coders remain). The order of the coders is determined by the preference. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 133: Configuring The Endpoint Phone Numbers
(optional) and profiles to the VoIP gateway ports. To configure the Endpoint Phone Number table: Open the Endpoint Phone Number Table screen (Protocol Management menu > Endpoint Phone Numbers); the Endpoint Phone NumberTable screen is displayed. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 134 For a range of channels enter the first number in an ordered sequence. These numbers are also used for port allocation for IP to Tel calls, if the hunt groups Channel Select Mode is set to By Phone Number. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 135: Configuring The Hunt Group Settings
If such a rule does not exist (for a specific hunt group), the global rule, defined by the Channel Select Mode parameter (Protocol Definition > General Parameters), applies. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 136 From the Registration Mode drop-down list, select the registration mode. Repeat Steps 4 and 5, for each defined hunt group. Click Submit to save your changes. To save the changes so they are available after a power fail, see Saving Configuration. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 137 = Registration mode for that Hunt Group (Per Endpoint [0] or Per Hunt Group [1]). If not configured [-1], the value of AuthenticationMode is used. For example: TrunkGroupSettings = 1,5 This parameter can appear up to 24 times. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 138: Configuring The Endpoint Settings
Authentication Screen Figure 47 In the User Name and Password fields for a port, enter the username and password combination respectively. Repeat Step 3 for each port. Click Submit to save your changes. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 139 Hotline [2]: When a phone is offhooked and no digit is pressed for HotLineDialToneDuration, the number in the Destination Phone Number field is automatically dialed (applies to FXS and FXO gateways). Repeat Step 3 for each port you want to use for Automatic Dialing. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 140 Caller ID name defined in this table (FXO gateways only). To configure the Caller ID table: Open the Caller Display Information screen (Protocol Management menu > Endpoint Settings submenu > Caller ID option); the Caller Display Information screen is displayed. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 141 Repeat Steps 2 and 3 for each VoIP gateway port. Click the Submit button to save your changes. To save the changes so they are available after a power fail, see Saving Configuration. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 142 Disable: Caller ID generation (FXS) or detection (FXO) for the specific port is disabled. Empty: Caller ID generation (FXS) or detection (FXO) for the specific port is determined according to the parameter EnableCallerID (described in Table 24). ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 143 Configure the Call Forward parameters for each port according to the table below. Click Submit to save your changes. To save the changes so they are available after a power fail, see Saving Configuration. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 144: Configuring Radius Accounting Parameters
The RADIUS Parameters screen is used for configuring the Remote Authentication Dial In User Service (RADIUS) accounting parameters. To configure the FXO parameters, follow these steps: Open the ‘RADIUS Parameters' screen (Protocol Management menu > RADIUS Parameters); the ‘RADIUS Parameters' screen is displayed. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 145: Configuring The Fxo Parameters
Use this screen to configure the gateways specific FXO parameters. To configure the FXO parameters: Open the FXO Settings screen (Protocol Management menu > FXO Settings > FXO Settings option); the FXO Settings screen is displayed. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 146 INVITE message. Use the Waiting For Dial Tone parameter to specify whether the dialing should come after detection of dial tone, or immediately after seizing of the line. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 147 Offhook Warning tone. Selection of Busy or Reorder tone is performed according to the release cause received from IP. Refer also to the parameter CutThrough (described in Table 23). ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 148: Configuring Voice Mail (Vm) Parameters
Configuring Voice Mail (VM) Parameters Use this screen to configure the VM parameters. The VM application applies only to FXO gateways. For detailed information on VM, see the CPE Configuration Guide for Voice Mail. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 149 Enables the voice mail (VM) application on the gateway and [VoiceMailInterface] determines the communication method used between the PBX and the gateway. Valid options include: None (default) [0] DTMF [1] SMDI [2] ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 150 Determines a digit code used by the gateway to notify the PBX of [MWIOnCode] messages waiting for a specific extension. This code is added as prefix to the dialed number. The valid range is a 25-character string. SMDI ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 151: Protocol Management Ini File Parameters
1 = Use 180 Ringing response to indicate a call waiting. Defines the maximum number of active SIP dialogs that are not NumberOfActiveDialogs call related (that is, REGISTER and SUBSCRIBE). The valid range is 1 to 5. The default value is 5. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 152 DTMF mode is selected (TxDTMFOption = 1, 2 or 3). This enables the sending of DTMF digits in-band (transparent of RFC 2833) in addition to out-of-band DTMF messages. Usually this mode is not recommended. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 153 0 = Soft (default). 1 = Hard. Some Caller ID signals use reversal polarity and/or wink signals. In these cases it is recommended to set PolarityReversalType to 1 (Hard). Applicable only to FXS gateways. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 154 High Threshold, the gateway sends an SNMP acBoardCallResourcesAlarm Alarm Trap with a major Alarm Status. The gateways available Resources are calculated by dividing the number of busy endpoints by the total number of available gateway endpoints. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 155 A negative value indicates that the tone is played infinitely. FXONumberOfRings Defines the number of rings before the FXO gateway answers a call. The valid range is 0 to 255. The default is 0 seconds. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 156 If the Via includes ‘rport’ tag with a port value (rport=1001), the destination port of the response will be the port indicated in the ‘rport’ tag. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 157: Advanced Configuration
Parameters). Configuring the IP Settings To configure the IP Settings parameters: Open the IP Settings screen (Advanced Configuration menu > Network Settings > IP Settings option); the IP Settings screen is displayed. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 158 After changing the IP address and pressing the button Submit, a prompt appears indicating that for the change to take effect, the gateway is to be reset. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 159 The gateways subnet mask in the Media network. [LocalMediaSubnetMask] The default subnet mask is 0.0.0.0. Default Gateway Address The gateways default gateway IP address in the Media network. [LocalMediaDefaultGW] The default value is 0.0.0.0. DNS Settings ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 160 For detailed information on IP QoS via Differentiated Services, see IP QoS via Differentiated Services (DiffServ). Network QoS Sets the DiffServ value for Network service class content. [NetworkServiceClassDiffSer The valid range is 0 to 56. The default value is 48. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 161 The valid range is 0 to 56. The default value is 10. Configuring the Application Settings To configure the Application Settings parameters: Open the Application Settings screen (Advanced Configuration menu > Network Settings > Application Settings option); the Application Settings screen is displayed. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 162 Defines the time interval (in seconds) the NTP client requests for a time [NTPUpdateInterval] update. The default interval is 86400 seconds (24 hours). The range is 0 to 214783647 seconds. It is not recommended to be set beyond one month (2592000 seconds). ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 163: Configuring The Nfs Settings
OSs, and network architectures. Up to five different NFS file systems can be configured. NFS is utilized by the V7111 to load the cmp, ini and configuration files using the Automatic Update mechanism (see Automatic Update Mechanism). ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 164 Select the Edit radio button for the row to be deleted. Click Delete Line; the row is deleted. To save the changes so they are available after a power fail, see Saving Configuration. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 165 (see IP QoS via Differentiated Services (DiffServ)). Figure 58 shows an example of an NFS table definition using ini file using parameter tables (for information on parameter tables, see Using Parameter Tables). ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 166: Configuring The Ip Routing Table
Use the Add a new table entry pane to add a new routing rule. Each field in the IP routing table is described in Table Click the button Add New Entry; the new routing rule is added to the IP routing table. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 167: Configuring The Vlan Settings
RoutingTableDestinationMasksColumn = 255.255.255.255, 255.255.255.0 RoutingTableGatewaysColumn = 10.31.0.1, 10.31.0.112 RoutingTableInterfacesColumn = 0, 1 RoutingTableHopsCountColumn = 20, 20 Configuring the VLAN Settings For detailed information on the V7111 VLAN implementation, see IP QoS via Differentiated Services (DiffServ). ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 168 The valid range is 1 to 4094. The default value is 1. OAM VLAN ID Sets the OAM (Operation, Administration and Management) VLAN [VlanOamVlanID] identifier. The valid range is 1 to 4094. The default value is 1. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 169 [0] = Disable (default) [1] = Enable User Name for PAP or Host Name for CHAP authentication. The valid PPPoEUserName range is a string of up to 47 characters. The default value is 0. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 170 0 = 10 Base-T half-duplex. 1 = 10 Base-T full-duplex. 2 = 100 Base-TX half-duplex. 3 = 100 Base-TX full-duplex. 4 = Auto-Negotiate (default). For detailed information on Ethernet interface configuration, see Ethernet Interface Configuration. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 171 (no RTP / T.38 traffic) when No-Op packet transmission is enabled. The valid range is 20 to 65,000 msec. The default is 10,000. To enable No-Op packet transmission, use the NoOperationSendingMode parameter. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 172: Configuring The Media Settings
Configuring the Voice Settings To configure the Voice Settings parameters: Open the Voice Settings screen (Advanced Configuration menu > Media Settings > Voice Settings option); the Voice Settings screen is displayed. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 173 If the selected coder is G.729, the following rules determine the value of the annexb parameter of the fmtp attribute in the SDP. EnableSilenceCompression = 0 annexb=no. EnableSilenceCompression = 1 annexb=yes. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 174 Answer Detector Silence Time N/A. [AnswerDetectorSilenceTime] Answer Detector Redirection N/A. [AnswerDetectorRedirection] Answer Detector Sensitivity Determines the Answer Detector sensitivity. [AnswerDetectorSensitivity] The range is 0 (most sensitive) to 2 (least sensitive). The default is 0. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 175 Figure 62 Configure the Fax / Modem / CID Settings according to Table Click Submit to save your changes. To save the changes so they are available after a power fail, Saving Configuration. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 176 V.22 Modem Transport Type that the gateway uses. [V22ModemTransportType] You can select: [0] = Disable (Transparent) [1] = Enable Relay -- N/A [2] = Enable Bypass -- default [3] = Events Only (Transparent with Events) ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 177 9600 [3] = 9.6 kbps. 12000 [4] = 12.0 kbps. 14400 [5] = 14.4 kbps (default). The rate is negotiated between the sides, that is, the media server adapts to the capabilities of the remote side. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 178 To configure the RTP / RTCP Settings parameters: Open the RTP / RTCP Settings screen (Advanced Configuration menu > Media Settings > RTP / RTCP Settings option); the RTP / RTCP Settings screen is displayed. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 179 Minimum delay for the Dynamic Jitter Buffer. [DJBufMinDelay] The valid range is 0 to 150 milliseconds. The default delay is 10 milliseconds. For more information on the Jitter Buffer, see Dynamic Jitter Buffer Operation. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 180 Enable [1] = SID (comfort noise) packets are sent with the RTP SID payload type according to RFC 3389. Applicable to G.711 and G.726 coders. Analog Signal Transport Type This parameter is obsolete. Please use the parameter [AnalogSignalTransportType] HookFlashOption. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 181 The default value is 0 (ThroughPacket™ is disabled). This parameter cannot be changed on-the-fly and requires a gateway reset. All gateways that participate in the same ThroughPacket™ session must use the same L1L1ComplexRxUDPPort. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 182 It is recommended to reduce the detection time by 50 msec from the desired value (for example, if you set the value to 200 msec, then enter 150 msec (that is 200 minus 50). ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 183 [11] = 64 msec The gateway must be reset after the value of ‘MaxEchoCancellerLength’ is changed. It is unnecessary to configure the parameter EchoCancellerLength as it automatically acquires its value from the parameter MaxEchoCancellerLength. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 184 [2] = ToneInjection, generates a 1000 Hz tone to outgoing PCM. [3] = NoLoopback, (default). BellModemTransportType Determines the Bell modem transport method. [0] = Transparent (default). [2] = Bypass. [3] = Transparent with events. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 185 STUNServerDomainName parameter, with priority to the former one. NATBindingDefaultTimeout Defines the NAT binding lifetime in seconds. STUN refreshes the binding information after this time expires. The valid range is 0 to 2592000. The default value is 30. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 186: Restoring And Backing Up The Gateway Configuration
VoIP gateway information stored on your computer. To restore or back up the ini file: Open the Configuration File screen (Advanced Configuration menu > Configuration File); the Configuration File screen is displayed. Configuration File Screen Figure 66 ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 187: Regional Settings
Chapter 6: ini File Configuration of the V7111 To configure the date and time of the V7111 gateway: Open the Regional Settings screen (Advanced Configuration menu > Regional Settings); the Regional Settings screen is displayed. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 188 An exclamation mark in the screen section indicates that the files loading does not take effect on-the-fly (for example, CPT file). Repeat Steps 2 to 5 for each file you want to load. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 189: Security Settings
Embedded Web Server. To change the Web User Accounts attributes: Open the Web User Accounts screen (Advanced Configuration menu > Security Settings > Web User Accounts option); the Web User Accounts screen is displayed. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 190 A user with a Security Administrator access level can change all attributes for all accounts. Users with an access level other than Security Administrator can only change their own password and username. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 191 Delete your terminal's IP address from the Web & Telnet Access List last. If it is deleted before the last, access from your terminal is denied from the point of its deletion on. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 192 Apply Rule Settings to save the new rule (the rule is not active). Activate Rule to save the new rule and activate it. Delete Rule to delete the rule. To save the changes so they are available after a power fail, see Saving Configuration. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 193 The destination UDP/TCP ports (on this device) to which packets are sent. Local Port Range The valid range is 0 to 65535. [AccessList_Start_Port] When the protocol type is not TCP or UDP, the entire range must [AccessList_End_Port] be provided. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 194 Configuring the General Security Settings To configure the General Security Settings parameters: Open the General Security Settings screen (Advanced Configuration menu > Security Settings > General Security Settings option); the General Security Settings screen is displayed. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 195 Table 64 Parameter Description Secured Web Connection Determines the protocol types used to access the Embedded Web [HTTPSOnly] Server. HTTP and HTTPS [0] (default). HTTPS only [1] (unencrypted HTTP packets are blocked). ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 196 Defines the default access level for the gateway when the RADIUS [DefaultAccessLevel] (authentication) response doesn’t include an access level attribute. The valid range is 0 to 255. The default value is 200 (Security Administrator'). ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 197 Must [1] = The gateway initiates encrypted calls. If negotiation of the cipher suite fails, the call is terminated. Incoming calls that don’t include encryption information are rejected (default). IPSec Settings ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 198: Configuring The Management Settings
IPSec and IKE, see IPSec and IKE. Configuring the Management Settings To configure the Management Settings parameters: Open the Management Settings screen (Advanced Configuration menu > Management Settings); the Management Settings screen is displayed. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 199 VoIP gateway. For information on the Syslog, see V7111 Gateway Line Testing. Syslog Server Port Defines the UDP port of the Syslog server. [SyslogServerPort] The default value (that is, port) is 514. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 200 [ActivityListToLog = DR] Flash Memory Burning Burning of files / parameters to flash (for example, Maintenance Actions [ActivityListToLog = FB] screen). Device Software Update cmp loading using the Software Upgrade Wizard. [ActivityListToLog = SWU] ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 201 Configure the SNMP Managers parameters according to Figure Click Submit to save your changes. To save the changes so they are available after a power fail, see Saving Configuration. SNMP Managers Table Screen Figure 73 ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 202 Configure the SNMP Community Strings parameters according to Table Click the Submit button to save your changes. To save the changes so they are available after a power fail, see Saving Configuration. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 203 Open the SNMP V3 Setting screen by clicking the arrow sign (-->) to the right of the SNMP V3 Table label; the SNMP V3 Setting screen is displayed (Figure 75). Configure the SNMP V3 Setting parameters according to Table ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 204 2 = trap group All groups can be used to send traps. Advanced Configuration ini File Parameters Table 69 describes the board parameters that can only be configured using the ini file. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 205 HTTP port used for Web management (default = 80) HeartBeatDestIP Destination IP address (in dotted format notation) to which the gateway sends proprietary UDP ping packets. The default IP address is 0.0.0.0. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 206 Users Manual. BootP and TFTP Parameters The BootP parameters are special Hidden parameters. Once defined and saved in the flash memory, they are used even if they don't appear in the ini file. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 207 1 = 1 second (default). 2 = 3 second. 3 = 6 second. 4 = 30 second. 5 = 60 second. This parameter only takes effect from the next reset of the device. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 208 Specifies the name of the Prerecorded Tones file and the location of the server (IP address or FQDN) from which it is loaded. https://server_name/file http://server_name/file, The maximum length of the URL address is 99 characters. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 209 SNMP ini File Parameters Table 71 ini File Parameter Name Description SNMPPort The devices local UDP port used for SNMP Get/Set commands. The range is 100 to 3999. The default port is 161. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 210: Status & Diagnostics
To view the IP connectivity information: Set AltRoutingTel2IPEnable to 1 or 2. Open the IP Connectivity screen (Status & Diagnostics menu > Gateway Statistics submenu > IP Connectivity); the IP Connectivity screen is displayed. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 211 IP Connectivity Screen Figure 76 ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 212 This field is applicable only if the parameter AltRoutingTel2IPMode is set to 2 or 3. This field is reset if no QoS information is received for 2 minutes. DNS Status Can be one of the following: DNS Disable DNS Resolved DNS Unresolved ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 213 To view the IP Tel and Tel IP Call Counters information: Open the Call Counters screen you want to view (Status & Diagnostics menu > Gateway Statistics submenu); the relevant Call Counters screen is displayed. Tel IP Call Counters Screen Figure 77 ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 214 This counter is incremented as a result of calls that fail due to reasons not covered by Calls due to Other the other counters. Failures Percentage of The percentage of established calls from attempted calls. Successful Calls Average Call The average call duration of established calls. Duration [sec] ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 215: Activating The Internal Syslog Viewer
Note that it is not recommended to keep a Message Log session open for a prolonged period (see the Note below). For prolong debugging use an external Syslog server, see V7111 Gateway Line Testing. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 216: Device Information
From this screen you can also view and remove any loaded files used by the V7111 (stored in the RAM). To access the System Information screen: Open the Device Information screen (Status & Diagnostics menu > Device Information); the Device Information screen is displayed. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 217: Viewing The Ethernet Port Information
To view the Ethernet Port Information parameters, follow this step: Open the Ethernet Port Information screen (Advanced Configuration menu > Network Settings > Ethernet Port Information option); the Ethernet Port Information screen is displayed. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 218: Monitoring The Gateway Channels (Home Page)
Viewing the Status of Channels To monitor the status of the gateway channels, open the ‘Channel Status’ screen by clicking the Home icon; the ‘Channel Status’ screen is displayed (different screen for FXS and FXO). ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 219 Indicates an active RTP stream. Not Connected (FXO only) Indicates that no analog line is connected to this port. Handset Offhook Indicates this channel is offhook but there is no active RTP session. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 220: Adding A Port Description
Click a port / channel icon, and then from the shortcut menu, choose Update Port Info; a text box appears. In the text box, type a brief description of this port, and then click Apply Port Info. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 221: Resetting A Channel
After clicking this button a device reset is mandatory. Even if you choose to cancel the process in the middle, the device resets itself and the previous configuration burned to flash is reloaded. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 222 When in the Wizard process, the rest of the Web application is unavailable and the background Web screen is disabled. After the process is completed, access to the full Web application is restored. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 223 Note that these are NOT the files you loaded in the previous Wizard steps. Click Back; the Load a cmp File screen is reverted to; see Figure ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 224 Click Back; the Load a cmp file screen is reverted to; see Figure Click Next; the Load a CPT File screen opens, see Figure 88: Loading a new CPT file or any other auxiliary file listed in the Wizard is optional. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 225 90). Click Cancel, the V7111 resets, utilizing the files previously stored in flash memory. (Note that these are NOT the files you loaded in the previous Wizard steps). Finish Screen Figure 89 ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 226: Auxiliary Files
Call Progress Tones file. User Information The User Information file maps PBX extensions to IP numbers. This file can be used to represent PBX extensions as IP phones in the global IP world. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 227 To save the loaded auxiliary files so they are available after a power fail, see Saving Configuration. To reset the V7111 gateway, see Resetting the V7111 Gateway. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 228 File Parameter Name Description CallProgressTonesFileName The name (and path) of the file containing the Call Progress Tones definition. FXSLoopCharacteristicsFileName The name (and path) of the file providing the FXS line characteristic parameters. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 229: Maintenance
To lock the gateway, follow these steps: Open the Maintenance Actions screen (Maintenance menu); the Maintenance Actions screen is displayed. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 230 In the Lock Timeout field (relevant only if the Graceful Option in the previous step is set to Yes), enter the time (in seconds) after which the gateway locks. Note that if no traffic exists and the time has not expired, the gateway locks. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 231: Saving Configuration
In the Web interface, parameters prefixed with an exclamation mark ('!') are saved to the non-volatile memory only after a device reset. To save the changes to the non-volatile: Open the Maintenance Actions screen (Maintenance menu); the Maintenance Actions screen is displayed. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 232: Resetting The V7111 Gateway
Perform a graceful shutdown. Reset starts only after a user-defined time expires or no more active traffic exists (the earliest thereof). To reset the V7111 gateway: Open the Maintenance Actions screen (Maintenance menu); the Maintenance Actions screen is displayed ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 233 Click the Reset button. If Graceful Option is set to Yes, the reset is delayed and a screen displaying the number of remaining calls and time is displayed. When the device resets, a message is displayed informing of the waiting period. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 234: Logging Off The Embedded Web Server
To log off the Embedded Web Server: Click the Log Off button on the main menu bar; the Log Off prompt screen is displayed. Log off Prompt Figure 95 Click OK; the Web session is logged off. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 235: Readers Notes
Readers Notes ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 236 ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 237: Chapter 6: Ini File Configuration Of The V7111 Gateway
Note that the encoded ini files loading procedure is identical to the regular ini files loading procedure. For information on encoding / decoding an ini file, see Encoding / Decoding an ini File. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 238: Modifying An Ini File
A Carriage Return must be the final character of each line. The number of spaces before and after = is not relevant. If there is a syntax error in the parameter name, the value is ignored. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 239: The Ini File Example
DJBufMinDelay = 75 RTPRedundancyDepth = 1 DefaultNumber = 101 MaxDigits = 3 CoderName = g7231,90 ; Phone of each endpoint EnableSyslog = 0 [Files] CallProgressTonesFilename = 'CPUSA.dat' FXSLoopCharacteristicsFileName = 'coeff.dat' SaveConfiguration = 1 ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 240: Readers Notes
Readers Notes ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 241: Chapter 7: Using Bootp / Dhcp
Firmware file name be loaded to the gateway using TFTP. ini file name - An optional parameter that contains the name of the ini file to be loaded to the gateway using TFTP. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 242: Using Dhcp
After physically resetting the gateway its IP address is displayed in the Client Info column in the BootP/TFTP configuration utility (see Figure 145). Assigning an IP Address Using the CLI). Use a serial communication software (see Contact your System Administrator. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 243: Using Bootp
#14 = V7111 18 PORT Gateway Type #15 = V7111 14 PORT #16 = V7111 12 PORT Current IP Address XXX.XXX.XXX.XXX Burned Boot Software Version X.XX Burned cmp Software Version XXXXXXXXXXXX Geographical Address 0 – 31 ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 244 TP-1610 slave module with IP address 10.2.70.1. Structure of the Vendor Specific Information Field Table 80 Vendor- Specific Informatio n Code ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 245: Readers Notes
Readers Notes ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 246 ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 247: C 8: T C
The holding party performs the retrieve by pressing the hook-flash. After a successful retrieve, voice is connected again. Hold is performed by sending a REINVITE with the IP address 0.0.0.0 or a=sendonly in the SDP according to the parameter HoldFormat. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 248: Consultation / Alternate
A dials C. After A completed dialing C, he can perform the transfer by onhook the A phone. After the transfer is completed B and C parties are engaged in a call. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 249: Call Forward
The served party (V7111/FXS) can be configured through the Web browser (see Generate Caller ID to Tel) or using ini file to activate one of the call forward modes. These modes are configurable per gateway's endpoint. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 250: Call Waiting
The stutter and confirmation tones are defined in the CPT file (see Configuring the Call Progress Tones and Distinctive Ringing File). If the MWI display is configured, the number of waiting messages is also displayed. If ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 251: Configuring The Dtmf Transport Types
RxDTMFOption = 3 (Declare RFC 2833 in SDP = Yes). Note that to set the RFC 2833 payload type with a different value (other than its default, 96) configure the RFC2833PayloadType (RFC 2833 Payload Type) parameter. The gateway negotiates ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 252: Fax & Modem Transport Modes
The channel is therefore in Answer Tone mode until a distinction is determined. The packets being sent to the network at this stage are T.38- compliant fax relay packets. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 253: Configuring Fax Relay Mode
Using Bypass Mechanism for V.34 Fax Transmission In this proprietary scenario, the media gateway uses a high bit-rate coder to transmit V.34 faxes, enabling the full utilization of its speed. See the following configurations: ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 254: Supporting V.152 Implementation
When in VBD mode for V.152 implementation, support is negotiated between the gateway and the remote endpoint at the establishment of the call. During this time, initial exchange of call capabilities is exchanged in the outgoing SDP. These capabilities include whether VBD ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 255: Fxo Operating Modes
IP-to-Telephone Calls The FXO gateway provides the following FXO operating modes for IP-to-Tel calls: One-stage dialing Waiting for dial tone Time to wait before dialing Answer supervision Two-stage dialing Dialing time Disconnect supervision ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 256 In other words, the IP caller doesn't dial the PSTN number upon hearing a dial tone. Call Flow for One-Stage Dialing Figure 98 ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 257 Two-stage dialing is when the IP caller is required to dial twice. The caller initially dials to the FXO gateway, and only after receiving a dial tone from the PBX (via the FXO gateway), dials the destination telephone number. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 258 Detection of polarity reversal / current disconnect This is the recommended method. The call is immediately disconnected after polarity reversal or current disconnect is detected on the Tel side (assuming the PBX / CO produces this signal). ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 259 (with DSP templates number 2 or 3). A special DTMF code A digit pattern that when received from the Tel side, indicates to the gateway to disconnect the call. Relevant ini file parameter: TelDisconnectCode. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 260: Telephone-To-Ip Calls
The FXO gateway provides the following FXO operating modes for Tel-to-IP calls: Automatic Dialing Collecting Digits Mode Ring Detection Timeout FXO Supplementary Services Hold/Transfer Toward the Tel side Blind Transfer to the Tel side Hold/Transfer Toward the IP side ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 261 Automatic dialing is defined using the ini file parameter TargetOfChannelX (where 'X' is the channel number) or the embedded Web server's 'Automatic Dialing' screen (see Automatic Dialing). The SIP call flow diagram below illustrates Automatic Dialing. Figure 100 Call Flow for Automatic Dialing ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 262 Ring Detection Timeout supports full ring cycle of ring on and ring off (from ring start to ring start). FXO Supplementary Services Hold / Transfer toward the Tel side The ini file parameter LineTransferMode must be set to 0 (default). ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 263: Throughpacket
Note that the value of RemoteBaseUDPPort on the local gateway must equal the value of BaseUDPPort of the remote gateway. The gateway uses these parameters to identify and distribute the payloads from the received multiplexed IP packet to the relevant channels. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 264: Dynamic Jitter Buffer Operation
At no time does the buffer decrease to less than the minimum size configured by the Minimum delay parameter. Special Optimization Factor Value: 13 ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 265: Configuring The Gateways Alternative Routing (Based On Connectivity And Qos)
Connectivity: The destination IP address is queried periodically (currently only by ping). QoS: The QoS of an IP connection is determined according to RTCP statistics of previous calls. Network delay (in msec) and network packet loss (in percentage) are ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 266: Relevant Parameters
(determined by the parameter CDRReportLevel) and sent to a Syslog server. The destination IP address for CDR logs is determined by the parameter CDRSyslogServerIP. Table 81 lists the CDR fields that are supported. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 267 RTP IP Address Port Remote RTP Port TrmSd Initiator of Call Release (IP, Tel, Unknown) TrmReason Termination Reason Fax Transaction during the Call InPackets Number of Incoming Packets OutPackets Number of Outgoing Packets ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 268: Supported Radius Attributes
Numeric 1: login Stop Acc H.323/SIP call identifier h323- Up to 32 Start Acc The values in column ‘AAA’ are as follows: ’Start Acc’ - Start Accounting ’Stop Acc’ - Stop Accounting ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 269 Number of octets received Numeric Stop Acc Octets for that call duration Acct-Output- Number of octets sent for Numeric Stop Acc Octets that call duration String 34832 Acct-Session- A unique accounting Start Acc ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 270: Radius Server Messages
(4923 1) h323-ivr-out = h323-incoming-conf-id:02102944 600a1899 3fd61009 0e2f3cc5 (4923 30) h323-disconnect-cause = 22 (0x16) (4923 27) h323-call-type = VOIP (4923 26) h323-call-origin = Originate (4923 24) h323-conf-id = 02102944 600a1899 3fd61009 0e2f3cc5 ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 271: Proxy Or Registrar Registration Example
8-port V7111 FXS SIP gateways to establish a call. After configuration, you can make calls between telephones connected to a single V7111 gateway or between the two V7111 gateways. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 272: Sip Call Flow
#1 of the second V7111 rings. Answer the call and check the voice quality. SIP Call Flow The following Call Flow describes SIP messages exchanged between two V7111 gateways during simple call. Telephone 6000 dials 2000, sending INVITE message to Gateway 10.8.201.161 ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 273 Via: SIP/2.0/UDP 10.8.201.158;branch=z9hG4bKacolwbzYF From: <sip:2000@10.8.201.158>;tag=1c3535 To: <sip:6000@10.8.201.161>;tag=1c29715 Call-ID: 2123353775377NrpL-2000--6000@10.8.201.158 Server: 3Com-Sip-Gateway/V7111 18 PORT FXS/v.4.20.299.410 CSeq: 20214 INVITE Supported: 100rel,em Content-Length: 0 Phone 2000 answers the call, and sends 200 OK message to gateway 10.8.201.158. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 274 Supported: 100rel,em Content-Length: 0 10.8.201.158 ==> 10.8.201.161 200 OK SIP/2.0 200 OK Via: SIP/2.0/UDP 10.8.201.161;branch=z9hG4bKacLBzZgmA From: <sip:6000@10.8.201.161>;tag=1c29715 To: <sip:2000@10.8.201.158>;tag=1c3535 Call-ID: 2123353775377NrpL-2000--6000@10.8.201.158 Server: 3Com-Sip-Gateway/V7111 18 PORT FXS/v.4.20.299.410 CSeq: 34541 BYE Supported: 100rel,em Content-Length: 0 ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 275: Sip Authentication Example
Since the algorithm used is MD5, take: The username is equal to the endpoint phone number: 122 The realm return by the proxy: 3Com.com The password from the ini file: 3Com. The equation to be evaluated: (according to RFC this part is called A1).
Page 276 At this time a new REGISTER request is issued with the response: REGISTER sip:10.2.2.222 SIP/2.0 Via: SIP/2.0/UDP 10.1.1.200 From: <sip: 122@10.1.1.200>;tag=1c23940 To: <sip: 122@10.1.1.200> Call-ID: 654982194@10.1.1.200 Server: 3Com-Sip-Gateway/V7111 18 PORT FXS/v.4.20.299.410 CSeq: 1 REGISTER Contact: sip:122@10.1.1.200: Expires:3600 ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 277: Remote Ip Extension Between Fxo And Fxs
One FXO V7111 gateway One FXS V7111 gateway Analog phones (POTS) PBX – one or more PBX loop start lines Connect the FXO V7111 ports directly to the PBX lines as shown in Figure 104: ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 278 The call is disconnected when the phone connected to the FXS goes onhook. Dialing from other PBX line, or from PSTN To configure the call: Dial the PBX subscriber number the same way as if the user’s phone was connected directly to PBX. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 279 FXO V7111 gateway (10.1.10.2) in the field IP Address. In remote extensions, for the transfer to function, hold must be disabled on the FXS (that is., Enable Hold = 0). ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 280 In the Tel to IP Routing screen, enter 10 in the Destination Phone Prefix field, and the IP address of the FXS V7111 gateway (10.1.10.3) in the field IP Address. In the Protocol Management screen, set the parameter Two Stage Dialing Mode to IsTwoStageDial=1) ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 281: Readers Notes
Readers Notes ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 282 ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 283: Chapter 9: Networking Capabilities
NAT are (1) Reduction in the number of global IP addresses required in a private network (global IP addresses are only used to connect to the Internet); (2) Better network security by hiding its internal architecture. Figure 105 illustrates the NAT architecture. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 284: Stun
SIP/SDP messages and enables remote SIP user agents to reach the gateway. It also discovers the binding lifetime of the NAT (the refresh rate necessary to keep NAT Pinholes open). ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 285: First Incoming Packet Mechanism
UDP port, the sending addresses won’t change. If both the IP address and UDP port need to be compared, then both parameters need to be set to 1. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 286: No-Op Packets
(such as IP) over the PPP connection (a small PPP header is added at the beginning of each packet). ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 287: Pppoe Overview
Since PPPoE frames are sent over Ethernet, each PPP session must learn the Ethernet address of the remote peer, as well as establish a unique session identifier. The PPPoE ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 288: Pppoe In 3Com Gateways
Further information on the transmission of PPPoE is available on the IETF website (http://www.ietf.org/rfc/rfc2516.txt). PPPoE in 3Com Gateways The 3Com gateway contains a PPPoE client embedded in its software. When correctly configured (see ini File parameters) the gateway can try to connect to a remote PPPoE Access Concentrator.
Page 289: Robust Reception Of Rtp Streams
Using multiple router support the media gateway can utilize these router messages to change its next hop and establish the best path. Multiple Routers support is an integral feature that does not require configuration. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 290: Simple Network Time Protocol Support
The V7111 gateway can be configured to set a different DiffServ value to IP packets according to their class-of-service (Network, Premium Media, Premium Control, Gold and Bronze). For the mapping of an application to its class-of-service, see Table The DiffServ parameters are described in Table 50 ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 291: Vlans And Multiple Ips
V7111 gateway to the Ethernet network are divided into five, different-priority classes (Network, Premium media, Premium control, Gold and Bronze). The priority of each class is determined by a corresponding ini file parameter. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 292 Determined by the service Determined by the service RTP traffic Media Premium media RTCP traffic Media Premium media T.38 traffic Media Premium media Control Premium control SIP over TLS (SIPS) Control Premium control ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 293: Getting Started With Vlans And Multiple Ips
Embedded Web Server (see Integrating Using the Embedded Web Server) and ini file (see Integrating Using the ini File). Table 84 shows an example configuration that is implemented in the following sections. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 294 VLAN Settings option); the VLAN Settings screen is displayed. Modify the VLAN parameters to correspond to the values shown in Figure 106. Figure 106 Example of the VLAN Settings Screen Click the Submit button to save your changes. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 295 OAM and Control networks since a default gateway is not supported for these networks): Open the IP Routing Table screen (Advanced Configuration menu > Network Settings > IP Routing Table option); the IP Routing Table screen is displayed. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 296 Single IP Network mode. The IP Routing table is required to define static routing rules for the OAM and Control networks since a default gateway is not supported for these networks. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 297 (-fb option) the firmware version and the ini file you prepared in the previous step to the V7111 gateway (VLANs and multiple IPs support is available only when the firmware is burned to flash). Reset the V7111 gateway after disabling it on the BootP/TFTP utility. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 298: Readers Notes
Readers Notes ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 299: Chapter 10: Advanced System Capabilities
Load your previously backed-up ini file, or the default ini file (received with the software kit). To load the ini file using the Embedded Web Server, see Restoring and Backing up the Gateway Configuration. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 300: Establishing A Serial Communications Link With The V7111 Gateway
Full/Half Duplex state = HALF DUPLEX Flash Software Burning state = OFF Serial Debug Mode = OFF Lan Debug Mode = OFF BootLoad Version 1.75 Starting TFTP download... Done. MP108 Version 3.80.00 ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 301: Automatic Update Mechanism
The ini file is loaded only if it was modified since the last automatic update. The cmp file is loaded only if its version is different from the version stored on the gateways non-volatile memory. All other auxiliary files (for example, CPT) are ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 302 The following is an example of an ini file for loading files from NFS servers using NFS version 2. # Define NFS servers for Automatic Update [ NFSServers ] FORMAT NFSServers_Index = NFSServers_HostOrIP, NFSServers_RootPath, NFSServers_NfsVersion; NFSServers 1 = 10.31.2.10, /usr/share, 2 ; ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 303: Startup Process
This can be changed by the BootPDelay ini file parameter. Also, the number of requests is 3 by default and can be changed by BootPRetries ini file parameter (both parameters can also be set using the BootP command line switches). ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 304 BootP/DHCP reply contains ini file reply contains ini name? file name? Preconfigured firmware URL? Download firmware via TFTP Device Reset Preconfigured ini file URL? Download configuration files via TFTP Run operational software ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 305: Using Parameter Tables
Table Indices Each line in a table must be unique. Therefore, each table defines one or more Index fields. The combination of the Index fields determines the 'line-tag'. Each line-tag appears only once. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 306: Dynamic Tables Vs. Static Tables
For example, in the IPSec application, IPSec tables are defined as secret tables as the IKE table contains a pre-shared key that must be concealed. Therefore, the SPD table that depends on the IKE table is defined as a secret table as well. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 307: Using The Ini File To Configure Parameter Tables
Indices fields, and an equal sign '='. After the equal sign the names of the columns are listed. Items must be separated by a comma ','. The Format line must end with a semicolon ';'. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 308 This method is used to specify additional attributes of an entity, or to specify that a given entity is part of a larger entity. The tables ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 309: Customizing The V7111 Web Interface
Customers incorporating the V7111 gateway into their portfolios can customize the Web Interface to suit their specific corporate logo and product naming conventions. Customers can customize the Web Interfaces title bar (3Com title bar is shown in Figure 114; a customized title bar is shown in Figure 115).
Page 310 339 pixels), in the Logo Width field, enter the new width (in pixels) and click the Set Logo Width button. To save the image to flash memory so it is available after a power fail, see Saving Configuration. The new logo appears on all Web Interface screens. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 311 Modifying ini File Parameters via the Web AdminPage. To replace 3Com default logo with a text string using the ini file, add/modify the two ini file parameters in Table 89 according to the procedure described in Modifying an ini File.
Page 312: Replacing The Background Image File
Modifying an ini File. Note that loading the devices ini file using the Configuration File screen in the Web Interface does not load the logo image file as well. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 313: Customizing The Product Name
Modifying ini File Parameters via the Web AdminPage. To replace 3Com default product name with a text string using the ini file, add/modify the two ini file parameters in Table 91 according to the procedure described in Modifying an File.
Page 314 Output Window pane displays a log displaying information on the operation. You cannot load the image files (for example, logo/background image files) to the device by choosing a file name parameter in this screen. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 315: Readers Notes
Readers Notes ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 316 ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 317: Chapter 11: Special Applications - Metering Tones Relay
FXS and FXO gateways. To enable this feature configure SendMetering2IP = 1. The proprietary INFO message used to relay the metering tone pulse contains a Content- Type: message/Metering: ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 318 INFO sip:108@10.13.83.1 SIP/2.0 Via: SIP/2.0/UDP 10.13.83.2;branch=z9hG4bKacEizRjAa Max-Forwards: 70 From: "aviad" <sip:201@10.13.83.2>;tag=1c1638621413 To: <sip:108@10.13.83.1;user=phone>;tag=1c1412617336 Call-ID: 2031013892fcCd@10.13.83.2 CSeq: 3 INFO Contact: <sip:201@10.13.83.2> Supported: em,timer,replaces,path Allow: REGISTER,OPTIONS,INVITE,ACK,CANCEL,BYE,NOTIFY,PRACK,REFER,INFO,SUBSCRIBE,UPDAT User-Agent: 3Com-Sip-Gateway-V7111 14 PORT FXS/v.4.40.0.18700 Content-Type: message/Metering Content-Length: 0 ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 319: Readers Notes
Readers Notes ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 320 ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 321: Chapter 12: Security
Encapsulation Security Payload (ESP) protocol to encrypt the IP payload (see Figure 120). The IKE protocol is responsible for obtaining the IPSec encryption keys and encryption profile, known as IPSec Security Association (SA). Figure 120 IPSec Encryption ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 322: Ike
Main mode is supported for IKE Phase 1 Supported IKE SA encryption algorithms - Data Encryption Standard (DES), 3DES, and Advanced Encryption Standard (AES) Hash types for IKE SA - SHA1 and MD5 ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 323: Ipsec
20 available peers. Up to two IKE main mode proposals (Encryption / Authentication / DH group combinations) can be defined. The same proposals must be configured for all peers. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 324 (see IKEPolicySharedKey parameter). For RSA signature based authentication, peers must be loaded with a certificate signed by a common CA. For additional information on certificates, see Server Certificate Replacement. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 325 To support more than one Encryption / Authentication / DH Group proposals, for each proposal specify the relevant parameters in the Format line. Note that the proposal list must be contiguous. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 326 Access the Embedded Web Server (see Accessing the Embedded Web Server). Open the IKE Table screen (Advanced Configuration menu > Security Settings > IKE Table option); the IKE Table screen is displayed. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 327 Delete and click OK in the prompt. IPSec Configuration The parameters described in Table 94 are used to configure the SPD table. A different set of parameters can be configured for each of the 20 available IP destinations. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 328 To refrain from a situation where the SA expires, a new SA is being negotiated while the old one is still valid. As soon as the new SA is created, it replaces the old one. This procedure occurs whenever an SA is about to expire. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 329 To support more than one Encryption / Authentication proposals, for each proposal specify the relevant parameters in the Format line. Note that the proposal list must be contiguous. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 330 Access the Embedded Web Server (see Accessing the Embedded Web Server). Open the IPSec Table screen (Advanced Configuration menu > Security Settings > IPSec Table option); the IPSec Table screen is displayed. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 331 Embedded Web Server and SNMP agent to maintain this parameters confidentiality. On the Embedded Web Server a list of asterisks is displayed instead of the pre-shared key. On SNMP, the pre-shared key parameter is a write-only parameter and ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 332: Ssl/Tls
TCP/IP. Specifications for the SSL/TLS implementation: Supports transports: SSL 2.0, SSL 3.0, TLS 1.0 Supports ciphers: DES, RC4 compatible Authentication: X.509 certificates; CRLs are not supported ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 333: Sip Over Tls (Sips)
V7111 gateway) to your hosts file, located at /etc/hosts on UNIX or C:\Windows\System32\Drivers\ETC\hosts on Windows; then use the host name in the URL (for example, https://ACL_280152).The figure below is an example of a host file: ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 334: Secured Telnet
Telnet interface over a secured connection; examples include C-Kermit for UNIX, Kermit-95 for Windows, and 3Com' acSSLTelnet utility for Windows (that requires prior installation of the free OpenSSL toolkit). Contact 3Com to obtain the acSSLTelnet utility. Server Certificate Replacement The V7111 gateway is supplied with a working SSL configuration consisting of a unique self- signed server certificate.
Page 335 Save the certificate in a file (for example, cert.txt). Ensure the file is a plain-text file with the BEGIN CERTIFICATE header. The figure below is an example of a Base64-Encoded X.509 Certificate. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 336: Client Certificates
Since X.509 certificates have an expiration date and time, the V7111 gateway must be configured to use NTP (see Simple Network Time Protocol Support) to obtain the current date and time. Without a correct date and time, client certificates cannot work. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 337: Srtp
Must or Prefer. These modes determine the behavior of the gateway if negotiation of the cipher suite fails. Mandatory = the call is terminated. Incoming calls that do not include encryption information are rejected. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 338: Radius Login Authentication
The following examples see FreeRADIUS, a free RADIUS server that can be downloaded http://www.freeradius.org/ from . Follow the directions on that site for information on installing and configuring the server. If you use a RADIUS server from a different vendor, see its appropriate documentation. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 339 Record and retain the IP address, port number, shared secret, vendor ID and VSA access level identifier (if access levels are used) used by the RADIUS server. Configure the gateways relevant parameters according to Configuring RADIUS Support. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 340: Configuring Radius Support
When RADIUS responses do not include the access level attribute: In the field Default Access Level, enter the default access level that is applied to all users authenticated by the RADIUS server. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 341 HTTPSOnly = 1 BehaviorUponRadiusTimeout = 1 RadiusLocalCacheMode = 1 RadiusLocalCacheTimeout = 300 RadiusVSAVendorID = your vendors ID RadiusVSAAccessAttribute = code that indicates the access level attribute DefaultAccessLevel = default access level (0 to 200) ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 342: Internal Firewall
AccessList 15 = 192.0.0.0, 255.0.0.0, 0, 65535, any, 0, 40000, 50000, block ; AccessList 20 = 10.31.4.0, 255.255.255.0, 4000, 9000, any, 0, 0, 0, block AccessList 22 = 10.4.0.0, 255.255.0.0, 4000, 9000, any, 0, 0, 0, block ; [ \ACCESSLIST ] ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 343 10.31.4.xxx to ports 4000 to 9000, then it is allowed. Rule #20: all other traffic (which didn't match the previous rules), is blocked. The internal firewall can also be configured using the Embedded Web Server (see Configuring the Firewall Settings). ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 344: Network Port Usage
Disabled by default (EnableSyslog). (random) > 32767 Syslog ICMP Disabled by default (EnableSyslog). (random) > 32767 ARP listener (random) > 32767 SNMP Traps Can be disabled (DisableSNMP) (random) > 32767 DNS client ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 345: Recommended Practices
By default, the V7111 gateway supports export-grade (40-bit and 56-bit) encryption due to US government restrictions on the export of security technologies. To enable 128-bit and 256-bit encryption on your device, contact your 3Com representative. This product includes software developed by the OpenSSL Project for use in the OpenSSL Toolkit (www.openssl.org)
Page 346: Readers Notes
Readers Notes ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 347: Chapter 13: Diagnostics
If an error is detected, an error message is sent to the Syslog. WARNING: To continue regular operation the Detailed test must be disabled. Set the parameter EnableDiagnostics to and reset the V7111 gateway. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 348: V7111 Gateway Line Testing
To perform analog line testing using the embedded Web server, take these steps: Click the Analog Line Testing submenu (Status & Diagnostics menu > Analog Line Testing); the Analog Line Testing confirmation box is displayed. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 349: Syslog Support
Interchange) message. The message starts with a leading < ('less-than' character), followed by a number, which is followed by a > ('greater-than' character). This is optionally followed by a single ASCII space. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 350: Syslog Servers
<37> Oct 11 16:00:15 mymachine su: 'su root' failed for lonvick on /dev/pts/8 Syslog Servers Users can use the provided 3Com Syslog server (ACSyslog08.exe) or any other third-party Syslog servers. Examples of Syslog servers available as shareware on the Internet: Kiwi Enterprises: www.kiwisyslog.com/...
Page 351: Readers Notes
Readers Notes ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 352 ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 353: Chapter 14: Snmp-Based Management
Get-Next: A request that returns the next name (and value) of the next object supported by a network device given a valid SNMP name. Set: A request that sets a named object to a specific value. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 354: Snmp Mib Objects
Discrete MIB Objects: Contain one precise piece of management data. These objects are often distinguished from "Table"items (below) by adding a ".0" (dot-zero) extension to their names. The operator must merely know the name of the object and no other information. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 355: Snmp Extensibility Feature
The device has a mechanism to allow a manager to recover lost alarm raise and clear notifications [maintains a log history]. The device sends a cold start trap to indicate that it is starting. This allows the EMS to synchronize its view of the device's active alarms. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 356: Active Alarm Table
The enterprise acBoardEvBoardStarted which is generated at the end of system initialization. This is more of an application-level cold start sent after the entire initializing process is complete and all the modules are ready. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 357: Third-Party Performance Monitoring Measurements
(for example, trunk number) and the second (or a single where there is only one) index represents the interval number (present - 0, previous - 1 and the one before - 2). ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 358: Total Counters
ALARM-MIB: This is an IETF MIB (RFC 3877) also supported as part of our implementation of carrier grade alarms. This MIB is a new standard and is therefore under the 3Com.acExperimental branch. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 359 As noted above, five new MIBs cover the devices general parameters. Each contains a Configuration subtree for configuring related parameters. In some, there also are Status and Action subtrees. The 5 MIBs are: AC-ANALOG-MIB AC-CONTROL-MIB AC-MEDIA-MIB AC-PSTN-MIB AC-SYSTEM-MIB ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 360 The table size can be altered using notificationLogMIB.notificationLogMIBObjects.nlmConfig.nlmConfigGlobalEntryLimit or notificationLogMIB.notificationLogMIBObjects.nlmConfig.nlmConfigLogTable.nlm ConfigLogEntry.nlmConfigLogEntryLimit. The table size can be any value from 10 to 100 and is 100 by default. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 361: Traps
Sent when Graceful Shutdown commences and ends. acOperationalStateChange Sent if the operational state of the node changes to disabled. Cleared when the operational state of the node changes to enabled. acBoardCallResourcesAlarm Sent when no free channels are available. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 362: Snmp Interface Details
This section describes details of the SNMP interface that is required when developing an Element Manager (EM) for any of the TrunkPack-VoP Series products, or to manage a device with a MIB browser. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 363: Snmp Community Names
The following ini file parameters are used to configure community strings: SNMPReadOnlyCommunityString_<x> = '#######' SNMPReadWriteCommunityString_<x> = '#######' Where <x> is a number from 0 to 4. The '#' character represents any alphanumeric character. The maximum length of the string is 20 characters. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 364 ReadGroup or ReadWriteGroup. If the trap community string is used solely for sending traps (recommended), it should be made part of the TrapGroup. To change the trap community string, take these steps: ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 365: Snmp V3 Usm Users
SNMP v3 Predefined Groups Table 99 Group Get Access Set Access Send Traps Security Level ReadGroup1 noAuthNoPriv(1) ReadWriteGroup1 noAuthNoPriv(1) TrapGroup1 noAuthNoPriv(1) ReadGroup2 authNoPriv(2) ReadWriteGroup2 authNoPriv(2) TrapGroup2 authNoPriv(2) ReadGroup3 authPriv(3) ReadWriteGroup3 authPriv(3) TrapGroup3 authPriv(3) ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 366 Clone the row with the same security level. After the clone step, the status of the row is notReady(3). Activate the row (that is, set the row status to active(1)). Add a row to the vacmSecurityToGroupTable for SecurityName v3user, GroupName ReadGroup1, and SecurityModel usm(3). ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 367: Trusted Managers
An EM can be used to configure up to five Trusted Managers. If Trusted Managers are defined, all community strings work from all Trusted Managers. That is, there is no way to associate a community string with particular trusted managers. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 368 Add a row to the snmpTargetAddrTable with these values: Name=mgrN, TagList=MGR, Params=v2cparams, where N is an unused number between 0 and 4. Add a row to the tgtAddressMaskTable table with these values: Name=mgrN, tgtAddressMask=255.255.255.255:0. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 369: Snmp Ports
The user also has the option of associating a trap destination with a specific SNMPv3 USM user. Traps are then sent to that trap destination using the SNMPv3 format and the authentication and privacy protocol configured for that user. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 370 ; To configure one of the rows, uncomment all 4 lines in that ;block. Supply an IP address and if necessary, change the port ;number. ; To delete a trap destination, set ISUSED to 0. ; -change these entries as needed ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 371 0 and 4. All changes to the trap destination configuration take effect immediately. To add an SNMPv3 trap destination, take these 2 steps: Add a row to the snmpTargetAddrTable with these values: ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 372: Snmp Manager Backward Compatibility
This is translated in two features: SET/GET to either of the two MIB objects is identical. that is, as far as the SET/GET are concerned OID 1.3.6.1.4.1.5003.9.10.1.1.2.7 is identical to OID 1.3.6.1.4.1.5003.9.10.1.1.2.21.1.1.3. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 373: Snmp Nat Traversal
SNMP Administrative State Control Node Maintenance Node maintenance for the Gateway is provided by an SNMP interface. The acBoardMIB provides two parameters for graceful and forced shutdowns of the Gateway: ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 374: Graceful Shutdown
0 = Perform a forced lock. Calls are immediately terminated. Any number greater than 0 = Time in seconds before the graceful lock turns into a forced lock. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 375: 3Com Element Management System
The EMS is not included in the devices supplied package. Contact 3Com for detailed information on 3Com EMS and on 3Com EVN - Enterprise VoIP Network – solution for large VoIP deployments.
Page 376: Readers Notes
Readers Notes ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 377: Chapter 15: Configuration Files
Amplitude Modulated (AM). In total, up to 64 different frequencies are supported. Only eight AM tones, in the range of 1 to 128 kHz, can be configured (the detection range is ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 378 17 - Call Waiting Ringback Tone 23 - Hold Tone e: Either Amplitude Modulated (1) or regular (0). Tone Modulation Typ : The tones format, can be one of the following: Tone Form Continuous ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 379 Signal Level [-dBm]: the level of the tone for AM tones. AM Factor [steps of 0.02]: the amplitude modulation factor (valid range from 1 to 50. Recommended values from 10 to 25). ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 380: Format Of The Distinctive Ringing Section In The Ini File
16 distinctive ringing patterns. Each ringing pattern configures the ringing tone frequency and up to 4 ringing cadences. The same ringing frequency is used for all the ringing pattern cadences. The ringing frequency ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 381 Third (Burst) Ring Off Time [10 msec]: Ring Off period (in 10 msec units) for the third cadence on-off cycle. Fourth (Burst) Ring On Time [10 msec]: Ring Off period (in 10 msec units) for the fourth cadence on-off cycle. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 382: Prerecorded Tones (Prt) File
Up to 40 tones (totaling approximately one minute) can be stored in a single file in flash memory. The prerecorded tones (raw data PCM or L8 files) are prepared offline using standard recording utilities (such as CoolEdit ) and combined into a single file ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 383: The Coefficient Configuration File
The Coeff.dat file consists of a set of parameters for the signal processor of the loop interface devices. This parameter set provides control of the following AC and DC interface parameters: DC (battery) feed characteristics AC impedance matching Transmit gain Receive gain Hybrid balance ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 384: User Information File
The User Information file is a text file (the file size must not exceed 10,800 bytes) that can be loaded using the ini file (UserInfoFileName, described in Table 78), the Embedded Web Server (see Auxiliary Files) or by using the automatic update mechanism (UserInfoFileURL, Automatic Update Mechanism). ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 385 Caller ID. A string that represents the username for Username SIP registration. A string that represents the password for Password SIP registration. Figure 144 Example of a User Information File ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 386: Readers Notes
Readers Notes ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 387: Chapter 16: Selected Technical Specifications
AC impedance matching, hybrid balance, Tx & Rx frequency response, Tx & Rx Gains. For a specific coefficient file contact 3Com. Programmable ringing signal. Up to three cadences and frequency 15 to 200 Over-temperature protection for abnormal situations as shorted lines.
Page 388 64 frequencies in the range 300 to 1980 Hz, 1 to 4 cadences per Detection and Generation tone, up to 4 sets of ON/OFF periods. Output Gain Control -32 dB to +31 dB in steps of 1 dB ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 389 The Lifeline splitter (for FXS gateways) is a special order option. Connectors & Switches Rear Panel 8 Analog Lines (V7111 18 8 RJ-11 connectors PORT) 4 Analog Lines (V7111 14 4 RJ-11 connectors PORT) ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 390 EN55024. Management Configuration Gateway configuration using Web browser or ini files SNMP v2c; SNMP v3 Syslog, per RFC 3164 Management and Local RS-232 terminal Maintenance Web Management using HTTP or HTTPS Telnet ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 391: V7111 24 Port Specifications
AC impedance matching, hybrid balance, Tx & Rx frequency response, Tx & Rx Gains. For a specific coefficient file contact 3Com. Programmable ringing signal. Up to three cadences and frequency 15 to 200 Over-temperature protection for abnormal situations as shorted lines.
Page 392 Motorola PowerQUICC 860 Control Processor SDRAM – 64 MB Memory Signal Processors 3Com AC482 VoIP DSP Interfaces FXS Telephony Interface 24 Analog FXS phone or fax ports, loop start (RJ-11) Network Interface 10/100 Base-TX ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 393 SNMP v2c; SNMP V3 Syslog, per RFC 3164 Management and Local RS-232 terminal Maintenance Web Management using HTTP or HTTPS Telnet All specifications in this document are subject to change without prior notice. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 394: Readers Notes
Readers Notes ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 395: Appendix A: V7111 Sip Software Kit
MP1xx_Coeff_FXS.dat Telephony interface configuration file for V7111/FXS gateways. DConvert.exe TrunkPack Downloadable Conversion Utility ACSyslog08.exe Syslog server. bootp.exe BootP/TFTP configuration utility CPTWizard.exe Call Progress Tones Wizard MIBs Files MIB library for SNMP browser ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 396: Readers Notes
Readers Notes ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 397: Appendix B: Sip Compliance Tables
Third-party Registrar Server Third-party Event Publication Agent (EPA) Event State Compositor (ESC) Third-party SIP Methods SIP Methods Table 105 Method Supported Comments INVITE CANCEL REGISTER Send only REFER NOTIFY INFO OPTIONS PRACK ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 398: Sip Headers
The following SIP Headers are supported by the gateway. SIP Headers Table 106 Header Field Supported Accept Accept–Encoding Alert-Info Allow Also Asserted-Identity Authorization Call-ID Call-Info Contact Content-Disposition Content-Encoding Content-Length Content-Type Cseq Date Diversion Encryption Expires From History-Info ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 399 MIN-SE Organization P-Asserted-Identity P-Preferred-Identity Priority Proxy- Authenticate Proxy- Authorization Proxy- Require Prack Reason Record- Route Refer-To Referred-By Replaces Require Remote-Party-ID Response- Key Retry- After Route Rseq Session-Expires Server SIP-If-Match Subject Supported Timestamp ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 400: Sdp Headers
- Time alive header b - Bandwidth header u - Uri Description Header e - Email Address header i - Session Info Header p - Phone number header y - Year ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 401: Sip Responses
The SIP gateway generates this response if Early Media feature is Progress enabled and if the gateway plays a Ringback tone to IP 2xx Response – Successful Responses 2xx SIP Responses Table 109 2xx Response Supported Comments Accepted ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 402: 3Xx Response - Redirection Responses
ACK and disconnects the call. Not Acceptable The gateway does not generate this response. On reception of this message, before a 200OK has been received, the gateway responds with an ACK and disconnects the call. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 403 ACK and disconnects the call. Address The gateway does not generate this response. On reception of Incomplete this message, before a 200OK has been received, the gateway responds with an ACK and disconnects the call. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 404: 5Xx Response - Server Failure Responses
Table 113 6xx Response Comments Busy Everywhere On reception of any of these Responses, the GW Decline releases the call, sending appropriate release cause to PSTN side. Does Not Exist Anywhere Not Acceptable ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 405: Reader's Notes
Reader's Notes ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 406 ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 407: Appendix C: Boot P/Tftp Configuration Utility
BootReply indicates the IP address that should be used by the device and specifies an IP address from which the unit may load configuration files using Trivial File Transfer Protocol (TFTP) described in RFC 906 and RFC 1350. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 408: Key Features
To install the BootP/TFTP on your computer: Locate the BootP folder on the VoIP gateway supplied CD ROM and open the file Setup.exe. Follow the prompts from the installation wizard to complete the installation. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 409: Loading The Cmp File, Booting The Device
Reset the VoIP gateway, either physically or remotely, causing the device to use BootP to access the network and configuration information. BootP/TFTP Application User Interface Figure 145 shows the main application screen for the BootP/TFTP utility. Main Screen Figure 145 Log Window ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 410 ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 411: Function Buttons On The Main Screen
Date: shows the date of the transaction, based on the internal calendar of the computer. Time: shows the time of day of the transaction, based on the internal clock of the computer. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 412 If the address is not in the client database, a new client is added with the MAC address filled out. You can enter data in the remaining fields to create a new client entry for that client. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 413: Setting The Preferences
If the computer is not set to allow administrator privileges, ARP Manipulation cannot be enabled. ARP Manipulation Enabled: Enable ARP Manipulation to remotely reset a gateway that does not yet have a valid IP address. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 414: Tftp Preferences
Maximum Retransmissions: Specifies the number of times that the TFTP utility tries to resend messages after timing out. This can be left at the default value of 10 (the more congested your network, the higher the value you should be defined in these fields). ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 415: Configuring The Bootp Clients
Configuring the BootP Clients The Client Configuration Screen, is used to set up the parameters for each specific VoIP gateway. Figure 148 Client Configuration Screen ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 416: Adding Clients
To use Apply & Reset you must enable ARP Manipulation in the Preferences window. Also, you must have administrator privileges for the computer you are using. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 417: Deleting Clients
Listed At along with the IP address of that utility. If there is another utility responding to this client, you must remove that client from either this utility or the other one. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 418: Setting Client Parameters
The actual software file is located in the TFTP utility directory that is specified in the BootP Preferences window. The software file can be followed by command line switches. For information on available command line switches, see Using Command Line Switches. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 419: Using Command Line Switches
Place your cursor after cmp. Press the space bar. Type in the switch you require. Example: ramxxx.cmp –fb to burn flash memory. ramxxx.cmp -fb -em 4 to burn flash memory and for Ethernet Mode 4 (auto-negotiate). ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 420 BootP/TFTP main screen with the column 'Client Info' on the extreme right). For a full list of the vendor specific Information fields, see Vendor Specific Information Field. This option is not available on DHCP servers. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 421: Managing Client Templates
Select the template by clicking on its name from the list of templates in the window. Make changes to the parameters, as required. Click Apply to save this new template. Click OK when you are finished editing templates. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 422 Click the Delete Current Template button ; a warning pop up message appears. To delete the template, click Yes. Note that if this template is currently in use, the template cannot be deleted. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 423: Appendix D: Rtp/Rtcp Payload Types And Port Allocation
Randomly, approximately every 5 seconds (when packets are sent by channel) RTCP Receiver Report Randomly, approximately every 5 seconds (when channel is only receiving) RTCP SDES packet RTCP BYE packet RTCP APP packet ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 424: Defined Payload Types
6051 6052 6060 6061 6062 6070 6071 6072 6080 6081 6082 6090 6091 6092 6100 6101 6102 6110 6111 6112 6120 6121 6122 6130 6131 6132 6140 6141 6142 6150 6151 6152 ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 425 6201 6202 6210 6211 6212 6220 6221 6222 6230 6231 6232 To configure the gateway to use the same port for both RTP and T.38 packets, set the parameter T38UseRTPPort to 1. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 426: Readers Notes
Readers Notes ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 427: Appendix E: Accessory Programs And Tools
Converting a CPT ini File to a Binary dat File). Encode / decode an ini file (see Encoding / Decoding an ini File). Create a loadable Prerecorded Tones file (see Creating a Loadable Prerecorded Tones File). ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 428: Converting A Cpt Ini File To A Binary Dat File
Execute the TrunkPack Downloadable Conversion Utility, DConvert.exe (supplied with the software package); the utility’s main screen opens (shown in Figure 150). Click the Process Call Progress Tones File(s) button; the Call Progress Tones screen, shown in Figure 151, opens. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 429 Check the Use dBm units for Tone Levels check box. Note that the levels of the Call Progress Tones (in the CPT file) must be in -dBm units. Click the Make File button; you are prompted that the operation (conversion) was successful. Close the application. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 430: Encoding / Decoding An Ini File
To decode an encoded ini file: Click the Select File… button under the Decode ini File(s) section. Navigate to the folder that contains the file you want to decode. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 431: Creating A Loadable Prerecorded Tones File
Execute the TrunkPack Downloadable Conversion utility, DConvert.exe (supplied with the software package); the utilitys main screen opens (shown in Figure 150). Click the Process Prerecorded Tones File(s) button; the Prerecorded Tones File(s) screen opens. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 432 Figure 153 Prerecorded Tones Screen ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 433: Call Progress Tones Wizard
This section describes the Call Progress Tones Wizard (CPTWizard), an application designed to facilitate the provisioning of a V7111/FXO gateway by recording and analyzing Call Progress Tones generated by any PBX or telephone network. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 434: About The Call Progress Tones Wizard
Figure 155 Initial Settings Screen Enter the IP address of the V7111/FXO gateway you are using. Select the gateways ports that are connected to your PBX, and specify the phone number of each extension. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 435: Recording Screen - Automatic Mode
Tones detection sequence (the operation takes approximately 60 seconds to complete): Sets port 1 offhook, listens to the dial tone Sets port 1 and port 2 offhook, dials the number of port 2, listens to the busy tone ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 436 All four Call Progress Tones are saved (as standard A-law PCM at 8000 bits per sample) in the same directory as the CPTWizard.exe file is located, with the following names: cpt_recorded_dialtone.pcm cpt_recorded_busytone.pcm cpt_recorded_ringtone.pcm cpt_recorded_invalidtone.pcm ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 437: Recording Screen - Manual Mode
Click the Go offhook button, enter a number to dial in the Dial field, and click the Dial button. When you are ready to record, click the Start Recording button; when the desired tone is complete, click Stop Recording. (The recorded tone is saved as cpt_manual_tone.pcm.) ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 438: The Call Progress Tones Ini File
Information related to possible matches of each tone with the CPTWizard’s internal database of well-known tones. This information is specified as comments in the file, and is ignored by the TrunkPack Downloadable Conversion utility. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 439 CPT dat file. After loading this file to the gateway, repeat the automatic detection procedure discussed above, and verify that the gateway detects all four Call Progress Tones correctly. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 440: Adding A Reorder Tone To The Cpt File
10 Create a Call Progress Tones.dat file using the DConvert Utility (see TrunkPack Downloadable Conversion Utility). 11 Load the new file to the gateway, and then reset the gateway. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 441: Appendix F: Snmp Traps
SNMP trap. The component name (described in each of the following headings) refers to the string that is provided in the acBoardTrapGlobalsSource trap varbind. To clear a generated alarm the same notification type is sent but with the severity set to cleared. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 442: Component: Board#
Capture the alarm information and the Syslog clause, if active. Contact your first-level support group. The support group will likely want to collect additional data from the device and perform a reset. ® 3Com VCX V7111 VoIP Gateway User Guide...

Page 443 Network element admin state change alarm Gateway is <text> Status Changes: Condition: Admin state changed to shutting down Alarm status: Major <text value>: Shutting down. No time limit. Condition: Admin state changed to locked Alarm status: Major ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 444 Alarm Trap Table 122 Alarm: acBoardEvResettingBoard OID: 1.3.6.1.4.1.5003.9.10.1.21.2.0.5 Default Severity: critical Event Type: equipmentAlarm Probable Cause: outOfService (71) Alarm Text: User resetting board ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 445 Number of free channels falls below the predefined RAI low threshold. Alarm status: Cleared acBoardControllerFailureAlarm Alarm Trap Table 124 Alarm: acBoardControllerFailureAlarm OID: 1.3.6.1.4.1.5003.9.10.1.21.2.0.9 Default Severity: Minor Event Type: processingErrorAlarm Probable Cause: softwareError (46) ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 446: Component: Alarmmanager#0
The source varbind text for all the alarms under this component is Board#<n>/AlarmManager#0 where n is the slot number. acActiveAlarmTableOverflow Alarm Trap Table 126 Alarm: acActiveAlarmTableOverflow OID: 1.3.6.1.4.15003.9.10.1.21.2.0.12 Default Severity: Major Event Type: processingErrorAlarm ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 447: Component: Ethernetlink#0
Ethernet link alarm: <text> Status Changes: Condition: Fault on single interface Alarm status: major <text> value: Redundant link is down Condition: Fault on both interfaces Alarm status: critical <text> value: No Ethernet link ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 448: Log Traps (Notifications)
1.3.6.1.4.1.5003.9.10.1.21.2.0.27 Default Severity: Indeterminate Event Type: other (0) Probable Cause: other (0) Trap Text: "Performance: Threshold trap was set”, with source = name of performance counter which caused the trap Status Changes: ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 449: Other Traps
The following are provided as SNMP traps and are not alarms. coldStart Trap Table 131 Trap Name: coldStart OID: 1.3.6.1.6.3.1.1.5.1 MIB: SNMPv2-MIB Note: This is a trap from the standard SNMP MIB. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 450: Trap Varbinds
Probable Cause: Other(0) Alarm Text: Initialization Ended Note: This is the 3Com Enterprise application cold start trap. Trap Varbinds Each trap described above provides the following fields (known as varbinds). See the AcBoard MIB for additional details on these varbinds. acBoardTrapGlobalsName...
Page 451 Note that acBoardTrapGlobalsName is actually a number. The value of this varbind is X minus 1, where X is the last number in the traps OID. For example, the name of acBoardEthernetLinkAlarm is 9. The OID for acBoardEthernetLinkAlarm is 1.3.6.1.4.1.5003. 9.10.1.21.2.0.10. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 452: Readers Notes
Readers Notes ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 453: Appendix G: Installation And Configuration Of Apache Http Server
Open the Apache2/conf/httpd.conf file for editing and set the parameter MaxKeepAliveRequests to 0 (enables an unlimited number of requests during a persistent connection – required for multiple consecutive HTTP PUT requests for uploading the file). ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 454: Linux Operation Systems
>chmod 755 put.cgi >chmod 777 html (the name of the servers shared files directory) Configure the Apache sever: a) Open etc/httpd/conf/httpd.conf (or a similar file) for editing b) Set the KeepAlive parameter to true ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 455 Set MaxClients to 250 e) Change the mod_perl module lines to: <IfModule mod_perl.c> Alias /perl/ /var/www/perl/ <Directory /var/www/perl> SetHandler perl-script PerlHandler Apache::Registry Options +ExecCGI PerlSendHeader On </Directory> </IfModule> Script PUT /perl/put.cgi ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 456: Readers Notes
Readers Notes ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 457: Appendix H: R I
Date (Day/Month/Year) Location I. Zusmanovich, Compliance Engineering Manager Czech [3Com Ltd] tímto prohlašuje, že tento [V7111 1x PORT/FXS & FXO Series & V7111 24 PORT] je ve shodě se základními požadavky a dalšími příslušnými ustanoveními směrnice 89/336/EEC, 73/23/EEC ; 1999/5/ES Danish Undertegnede [3Com Ltd] erklærer herved, at følgende udstyr [V7111 1x PORT/FXS &...
Page 458 V7111 24 PORT] è conforme ai requisiti essenziali ed alle altre disposizioni pertinenti stabilite dalla direttiva 89/336/EEC, 73/23/EEC ; 1999/5/ES Latvian Ar šo [3Com Ltd] deklarē, ka [V7111 1x PORT/FXS & FXO Series & V7111 24 PORT] atbilst Direktīvas 89/336/EEC, 73/23/EEC būtiskajām prasībām un citiem ar to ; 1999/5/ES saistītajiem noteikumiem.
Page 459: Safety Notices
; 1999/5/ES nuostatas. Spanish Por medio de la presente [3Com Ltd] declara que el [V7111 1x PORT/FXS & FXO Series & V7111 24 PORT] cumple con los requisitos esenciales y cualesquiera otras disposiciones aplicables o exigibles de la Directiva 89/336/EEC, 73/23/EEC ;...
Page 460: V7111 Fxo Notice
Ringer Equivalence Number of all devices do not exceed five. V7111 FXO Notice The MP-11x FXO Output Tones and DTMF level should not exceed -9 dBm (3Com setting #23) in order to comply with FCC 68, TIA/EIA/IS-968 and TBR-21. The maximum allowed gain between any 2 ports connected to the PSTN should be set to 0 dB in order to comply with FCC 68, TIA/EIA/IS-968 Signal power limitation.
Page 461 If trouble is experienced with this equipment, for repair or warranty information, see Appendix H: Obtaining Support for Your 3Com Product . If the equipment is causing harm to the telephone network, the telephone company may request to disconnect the equipment until the problem is resolved.
Page 462 ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 463: Appendix I: Obtaining Support For Your 3C Om Product
PPENDIX BTAINING UPPORT FOR RODUCT Customer Support Customer technical support and service are provided by 3Com Distributors, Partners, and Resellers from whom the product was purchased. For Customer support for products purchased directly from 3Com, contact support@3Com.com. ® 3Com VCX V7111 VoIP Gateway User Guide...
Page 464 ® 3Com VCX V7111 VoIP Gateway User Guide...

3Com VCX v7111 User Manual

Chapter 1: Overview

Chapter 2: V7111 Gateway Physical Description

Chapter 3: Installing the V7111 Gateway

Chapter 5: Web Management

Chapter 6: Ini File Configuration of the V7111 Gateway

Chapter 7: Using Bootp / Dhcp

Chapter 9: Networking Capabilities

Chapter 10: Advanced System Capabilities

Chapter 11: Special Applications - Metering Tones Relay

Chapter 12: Security

Chapter 13: Diagnostics

Chapter 14: Snmp-Based Management

Chapter 15: Configuration Files

Chapter 16: Selected Technical Specifications

Appendix A: V7111 Sip Software Kit

Appendix B: Sip Compliance Tables

Appendix C: Boot P/Tftp Configuration Utility

Appendix D: Rtp/Rtcp Payload Types and Port Allocation

Quick Links

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Summary of Contents for 3Com VCX v7111