D-Link DVG-5121SP User Manual
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D-Link DVG-5121SP User Manual

D-Link DVG-5121SP User Manual

Voip telephone adapter
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DVG-5121SP
VoIP Telephone Adapter
User's Manual
Version 1.1
August 28, 2007

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Summary of Contents for D-Link DVG-5121SP

  • Page 1 DVG-5121SP VoIP Telephone Adapter User’s Manual Version 1.1 August 28, 2007...

  • Page 2: Table Of Contents

    DVG-5121SP User’s Manual 1. Introduction 1-1. Product Overview..…....................5 1-2. Product Features……………………………..……………….……………………………6 1-3. Hardware Description……………………………………………………………………...8 2. Before You Begin 2-1. Package Contents ....................10 2-2. System Requirements …….………….………………………………………………….10 3. Installation and Applications 3-1. VoIP Telephone Adapter Assigned with a Public IP Address…………………………11 3-2.
  • Page 3 DVG-5121SP User’s Manual 5-2. Route Static Route………………………………………………………………………………….….37 5-3. Security 5-3-1. MAC filter………………………………………………………………………………..38 5-3-2. IP Filter…………………………………………………………………………………..39 5-3-3. URL Filter………………………………………………………………………………..40 5-3-4. Domain Filter……………………………………………………………………………41 5-3-5. Firewall…………………………………………………………………………………..42 5-3-6. Rule Summary……….………………………………………………………………….43 6. SIP Setting 6-1. Basic Setting………………………………………………………………………………44 6-2. Account Setting…………………………………………………………......46 6-3. NAT Traversal……………………………………………………………………………..47 7. VOIP Setting 7-1.
  • Page 4 DVG-5121SP User’s Manual 9. Status 9-1. Device Information………………………………………………………………………..76 9-2. Log………………………………………………………………………………………….77 9-3. IP Tables Log…………………………..………………………………………………….78 9-4. Line Status…………………………………………………………………………………79 9-5. CDR………………………………………………………………………………………...80 10. Telnet Run Telnet……………………………………………………………………………………….81 D-Link Corporation...

  • Page 5: Introduction

    The DVG-5121SP VoIP Telephone Adapter converts any existing analog telephone (corded or cordless) into an IP phone. Also, by plugging in a FAX machine, the DVG-5121SP will enable users to send and receive faxes the same way as a traditional analog telephone line.

  • Page 6: Product Features

    DVG-5121SP User’s Manual 1-2. Product Features WAN: One RJ-45 10/100Mbps auto-MDI/MDIX Ethernet port WAN types: Static IP, PPPoE, DHCP, PPTP, BigPond, L2TP VPN Pass Through QoS: IP Precedence, DiffServ NAT Traversal: Outbound Proxy, STUN, UPnP SIP and RTP Priority Queuing...
  • Page 7 DVG-5121SP User’s Manual Voice Pond Key SIPv2 compliance SIP Methods: ACK, BYE, CANCEL, INFO, INVITE, NOTIFY, OPTIONS, PING, PRACK, REFER, REGISTER, SUBSCRIBE, UPDATE SIP Extension: Session Timer, Proxy-Require, P-Asserted, MWI Voice Compression: G.711 a/u-law, G.726, G.729A/B, G.723.1 CNG and VAD...

  • Page 8: Hardware Description

    DVG-5121SP User’s Manual 1-3. Diagnostic LEDs and External Interfaces Front Panel When this LED is on, the DVG-5121SP is powered on. Power LED The Provision LED flashes during access to the TR-069 provision ACS and turns off after Provision LED provision process finished.
  • Page 9 IP sharing device using an Ethernet LAN Port cable. WARNING: To avoid any possible damage to your DVG-5121SP device, do not connect the Phone 2 port to a wall phone line. If this is done, your DVG-5121SP may be damaged. D-Link Corporation...

  • Page 10: Before You Begin

    If any of the above items are missing, please contact your reseller. 2-2. System Requirements for Configuration: Make sure you have all of the following before you begin to set up the DVG-5121SP A subscription with an Internet Service Provider (ISP)

  • Page 11: Installation And Applications

    DVG-5121SP User’s Manual 3. Installation and Applications 3-1. VoIP Telephone Adapter Assigned with a Public IP Address The VoIP Telephone Adapter will have a public IP address for Internet connection regardless of whether it is a static IP address, DHCP (using a Cable Modem), or PPPoE (Dialup / DSL).

  • Page 12: Voip Telephone Adapter In A Nat Network

    DVG-5121SP User’s Manual VoIP Telephone Adapter in a NAT network 3-2. The VoIP telephone adapter uses a virtual IP address and the IP sharing function of other systems to connect to the Internet. Setting Action LAN IP address of IP sharing Please avoid using the IP addresses 192.168.1.1-192.168.1.254 (You may...

  • Page 13: Telephone Interface Description

    DVG-5121SP User’s Manual 3-3. Telephone Interface Description Connecting the DVG-5121SP to the phone sets After connecting telephone sets to the Phone 1 and Phone 2 FXS ports, each set acts as an independent IP line that is provided by the applied SIP server.

  • Page 14: Accessing The Web-Based Configuration Utility

    Save button. Note: The DVG-5121SP VoIP telephone adapter doesn’t allow multiple people to configure the VoIP telephone adapter at the same time. If a user is already logged into the system, other users from different IP addresses cannot login at the same time.

  • Page 15: Basic Network Settings

    DVG-5121SP User’s Manual 4. Basic Network Settings 4-1. WAN The basic network settings are used to configure the VoIP telephone adapter’s communication ports, IP configurations, ADSL service setting, IP tunneling, etc. Refer to the following pages for an explanation of the different WAN settings.
  • Page 16 DVG-5121SP User’s Manual Host Name: The Host Name is optional but may be required by some ISPs. The default host name is the device name of the VoIP Telephone Adapter and may be changed. WAN Port MAC: The default MAC Address is set to the WAN’s physical interface MAC address on the VoIP telephone adapter.

  • Page 17: Dhcp

    DVG-5121SP User’s Manual 4-1-2. DHCP DHCP (Dynamic Host Configuration Protocol) enables individual computers on an IP network to extract their configurations from a server (the DHCP server) or servers, in particular, servers that have no exact information about the individual computers until they request the information. The overall purpose of this is to reduce the work necessary to administer a large IP network.
  • Page 18 DVG-5121SP User’s Manual WAN Port MAC: The default MAC Address is set to the WAN’s physical interface MAC address on the VoIP telephone adapter. It is not recommended that you change the default MAC address unless required by your ISP. You can use the Clone MAC Address button to replace the WAN port MAC address with the MAC address of the Ethernet card on your computer.

  • Page 19: Pppoe

    DVG-5121SP User’s Manual 4-1-3. PPPoE (DSL) PPPoE (Point-to-Point Protocol over Ethernet) is a proposal specifying how a host personal computer (PC) interacts with a broadband modem to achieve access to the growing number of high-speed data networks. Relying on two widely accepted standards, Ethernet and the point-to-point protocol (PPP), the PPPoE implementation requires virtually no more knowledge on the part of the end user other than that required for standard dial-up Internet access.
  • Page 20 DVG-5121SP User’s Manual WAN Port MAC: The default MAC Address is set to the WAN’s physical interface MAC address on the VoIP telephone adapter. It is not recommended that you change the default MAC address unless required by your ISP. You can use the Clone MAC Address button to replace the WAN port MAC address with the MAC address of the Ethernet card on your computer.

  • Page 21: Pptp

    DVG-5121SP User’s Manual 4-1-4. PPTP PPTP (Point-to-Point Tunneling Protocol) was developed by a consortium including Microsoft and is used for establishing VPN (Virtual Private Network) tunnels across the Internet. This allows remote users to securely and inexpensively access their corporate network from anywhere on the Internet.
  • Page 22 DVG-5121SP User’s Manual WAN Port MAC: The default MAC Address is set to the WAN’s physical interface MAC address on the VoIP telephone adapter. It is not recommended that you change the default MAC address unless required by your ISP. Select Manual Setting to manually change the WAN Port MAC address.

  • Page 23: L2Tp

    DVG-5121SP User’s Manual 4-1-5. L2TP L2TP (Layer Two Tunneling Protocol) is an extension of the Point-to-Point Tunneling Protocol (PPTP) used by an Internet service provider (ISP) to enable the operation of a virtual private network (VPN) over the Internet. WAN Port IP Assignment: Select L2TP.
  • Page 24 DVG-5121SP User’s Manual Ping from WAN: While enabled, this allows pings from the WAN through the Internet to check if the device is working or not. MTU: You may need to change the MTU (Maximum Transmission Unit) for optimal performance with your specific ISP.

  • Page 25: Bigpond

    DVG-5121SP User’s Manual 4-1-6. BigPond This service is supported in Australia only. WAN Port IP Assignment: Select BigPond. Basic Network Setting > WAN > BigPond Host Name: The Host Name is optional but may be required by some ISPs. The default host name is the device name of the Router and may be changed.
  • Page 26 DVG-5121SP User’s Manual Ping from WAN: While enabled, this allows pings from the WAN through the Internet to check if the device is working or not. BigPond Account: Enter your BigPond user name. BigPond Password: Enter your BigPond password and then retype the password in the next box.

  • Page 27: Lan

    DVG-5121SP User’s Manual 4-2. LAN LAN setting This section will allow you to change the local network settings of the telephone adapter and configure the DHCP settings. Basic Network Setting > LAN LAN IP Address: Enter the LAN IP address of the telephone adapter. The default IP address is 192.168.1.1.If you change the IP address, after you click the Submit button, you will need to enter the new IP address in your browser to get back into the configuration.

  • Page 28: Dhcp Server

    IP settings to “Obtain an IP Address Automatically.” When you turn on your computers, they will automatically load the proper TCP/IP settings provided by the DVG-5121SP. The DHCP Server will automatically allocate an unused IP address from the IP address pool to the requesting computer.

  • Page 29: Dhcp Static Map

    DVG-5121SP User’s Manual DHCP Server: Select Enable or Disable. The default setting is Enable. Assigned DHCP IP Address: Set the starting IP address and the ending IP address for the DHCP server’s IP assignment. DHCP IP Lease Time: The length of time for the IP lease. Select the Lease time from the drop-down menu. The default setting is one hour.

  • Page 30: Advanced Network Settings

    DVG-5121SP User’s Manual 5 . Advanced Network Settings 5-1. NAT 5-1-1. NAT Setting Advanced Network Setting > NAT > NAT Setting NAT Settings: You can choose what kinds of NAT need to be supported in this page. MASQUERADE: IP masquerading allows one or more workstations on a LAN to be concealed behind a single Linux machine connected to the Internet.
  • Page 31 DVG-5121SP User’s Manual IPSec Pass Through: IPsec is a framework for a set of protocols for security at the network or packet processing layer of network communication. Enable or Disable this framework verification. PPTP Pass Through: PPTP is a protocol that allows corporations to extend their own corporate network through private tunnels over the public Internet.

  • Page 32: Virtual Server Setting

    DVG-5121SP User’s Manual 5-1-2. Virtual Server Setting Advanced Network Setting > NAT > Virtual Server Setting Virtual Server: Select Enable or Disable. Private IP: Enter the IP address of the server computer in the LAN (Local Area Network) that will be providing the virtual services.
  • Page 33 DVG-5121SP User’s Manual Schedule: The schedule of time when the virtual server will be enabled. The schedule may be set to Always, which allows the particular server to always be enabled. If it is set to By Schedule, select the time frame for the server to be enabled.

  • Page 34: Application Setting

    These applications have difficulties working through NAT (Network Address Translation). Special Applications makes some of these applications work with the DVG-5121SP. If you need to run applications that require multiple connections, specify the port normally associated with an application in the Trigger Port field, select the protocol type as TCP or UDP, then enter the public ports associated with the trigger port to open them for inbound traffic.
  • Page 35 Note! These settings are for advanced users only. Incorrect settings will cause the phone to work improperly. Contact your ITSP for more information or assistance. The DVG-5121SP does not support the feature for making a call without registering to a Proxy.

  • Page 36: Upnp Setting

    DVG-5121SP User’s Manual 5-1-4. UPnP Setting Advanced Network Setting > NAT > UPnP UPNP Internet Gateway Device: Select Enable or Disable. UPnP provides compatibility with networking equipment, software and peripherals of the over 400 vendors that cooperate in the Plug and Play forum.

  • Page 37: Route

    DVG-5121SP User’s Manual 5-2. Route Static Route Advanced Network Setting > Route > Static Route If the WAN setting uses a static IP address, then the NAT IP address is set as the Public IP address for IP sharing. Static Route: Select Enable or Disable.

  • Page 38: Security

    DVG-5121SP User’s Manual 5-3. Security 5-3-1. MAC Filter Advanced Network Setting > Security > MAC Filter Use MAC (Media Access Control) Filters to allow or deny LAN (Local Area Network) computers by their MAC addresses from accessing the network. MAC Filter: Select Enable or Disable.

  • Page 39: Ip Filter

    DVG-5121SP User’s Manual 5-3-2. IP Filter Advanced Network Setting > Security > IP Filter IP Filter: Use IP Filters to deny LAN IP addresses from accessing the Internet. You can deny specific port numbers or all ports for the specific IP address. Select Enable or Disable.

  • Page 40: Url Filter

    DVG-5121SP User’s Manual 5-3-3. URL Filter Advanced Network Setting > Security > URL Filter URL Filter: Select Enable or Disable. Active: Select Yes or No. Client IP: Enter the IP address or a range of IP addresses. URL Filter String: Enter the URL filter string.

  • Page 41: Domain Filter

    DVG-5121SP User’s Manual 5-3-4. Domain Filter Advanced Network Security > Security > Domain Filter Domain Filter: Select Enable or Disable. Active: Select Yes or No. Client IP: Enter the IP address or a range of IP addresses. Domain Filter String: Enter the URL filter string.

  • Page 42: Firewall

    DVG-5121SP User’s Manual 5-3-5. Firewall Advanced Network Setting > Security > Firewall Firewall: Select Enable or Disable. Active: Select Yes or No. Action: Select Allow or Deny. Source: Choose WAN or LAN as the Source and enter a range of IP Addresses on the Internet that you would like this rule applied to.

  • Page 43: Rule Summary

    DVG-5121SP User’s Manual 5-3-6. Rule Summary This page contains a list of all the security settings rules. D-Link Corporation...

  • Page 44: Sip Setting

    DVG-5121SP User’s Manual 6. SIP Setting 6-1. Basic Setting SIP Setting > Basic Setting SIP Port Number: This is also called an outbound proxy. The SIP (Session Initiation Protocol) Port Number handles SIP call signaling as a standard SIP proxy server. It receives and transmits phone conversation traffic (media) between two VoIP telephone adapters.
  • Page 45 DVG-5121SP User’s Manual Session Timer: This setting can help to avoid excessive billing due to a dropped call. Media Port Start: Enter the beginning of the listening port range. Media Port End: Enter the end of the listening port range.

  • Page 46: Account Setting

    Note! These settings are for advanced users only. Incorrect settings will cause the phone to work improperly. Contact your ITSP for more information or assistance. The DVG-5121SP does not support the feature for making a call without registering to a Proxy.

  • Page 47: Nat Traversal

    DVG-5121SP User’s Manual 6-3. NAT Traversal SIP Setting > NAT Traversal NAT Traversal: Select Enable or Disable. Traversal By: Select STUN or UPNP. Use STUN to prevent problems with setting the IP sharing function, but some NAT do not support this protocol. Use UPnP to enable the VoIP telephone adapter’s IP traffic to pass through a NAT server.

  • Page 48: Voip Setting

    DVG-5121SP User’s Manual 7. VOIP Setting 7-1. Voice Setting VoIP Setting > Voice Setting Packet Length: Select a packet length from the drop-down menu. G.726 32K Payload Type Value: Select the payload type value from the drop-down menu. Outband 2833 Payload Type Value: Select the payload type value from the drop-down menu.
  • Page 49 DVG-5121SP User’s Manual PSTN Switch Mode: Select Auto Mode or Always PSTN from the drop-down menu. Codec Priorities: Use this field to select the type of voice coder/decoder (codec) priority you want to use. G.711/ Ulaw: Operates at 64 Kbps (standard), 56 Kbps, and 48 Kbps (non-standard).

  • Page 50: Call Service

    DVG-5121SP User’s Manual 7-2. Call service VoIP Setting > Call Service Call Waiting: Select Enable or Disable. Call Waiting Timeout- The waiting timeout can be set if the call waiting function is enabled. Call Hunting Group: Select Enabled or Disabled.
  • Page 51 DVG-5121SP User’s Manual Call Forward Always URI: Enter the Forward Always Number for the automatic dialing function. Call Forward on Busy URI: Enter the Forward on Busy Number for the automatic dialing function. Call Forward on NoAnswer URI: Enter the Forward on No Answer Number for the automatic dialing function.

  • Page 52: Phone Setting

    DVG-5121SP User’s Manual 7-3. Phone Setting VoIP Setting > Phone Setting Tone Setting: Select the tone setting for your local area. Caller ID Type: Select FSK type. In most cases, Bellcore is preferred in North America and ETSI in Europe.
  • Page 53 DVG-5121SP User’s Manual Caller ID Type 1 Alerting Signal: Select the alerting signal type for when the phone is on-hook. DTAS: Dual Tone Alert Signal RPAS: Ring Pulse Alert Signal LR: Line Reversal LR-DTAS: Line Reversal and Dual Tone Alert Singal Caller ID Type 2 Alerting Signal: Select the alerting signal type for when the phone is off-hook.

  • Page 54: Setting

    DVG-5121SP User’s Manual 7-4. E.164 Setting VoIP Setting > E.164 Setting E.164 Enable: Select Enable or Disable. Country Code: Enter the country code. Area Code: Enter the area code. Note: It depends on the proxy if you want to invite the proxy to follow the E.164 rule. If you fail to make a call, please contact your ITSP.

  • Page 55: Fax Setting

    DVG-5121SP User’s Manual 7-5. FAX Setting VoIP Setting > FAX Setting T.38 Option: Select on of the following options from the drop-down menu: Voice: voice data T.38 FAX Relay: Integrated and tested with Fax data modems at rates of up to 14.4 kbps. UDP and TCP support.

  • Page 56: General Dialing Setting

    DVG-5121SP User’s Manual 7-6. General Dialing Setting VoIP Setting > General Dialing Setting > B Type Inter-digit Timeout: If no other number is being dialed within this interval, the Telephony ATA will terminate this call. First-digit Timeout: If the phone is picked up and no number is dialed within this period of time, the tone will change to a busy tone Call feature Type: Select A type (general) or B type (USA).
  • Page 57 DVG-5121SP User’s Manual B Type (default) Setting Call hold: Push the phone set flash hook one time to enable this function while holding a call. Note: The flash hook pushing time can’t be longer than 1/2 second. Three Way Conference: Set up a call, then push the phone set flash hook once.
  • Page 58 DVG-5121SP User’s Manual A Type Setting VoIP Setting > General Dialing Setting > A Type Call hold: Push the phone set flash hook one time to enable this function while holding a call. Note: The flash hook pushing time can’t be longer than 1/2 second.
  • Page 59 DVG-5121SP User’s Manual Forward Noanswer Active Code: Default *92 Forward Noanswer Deactive Code: Default *93 Do Not Disturb Active Code: Default *78 Do Not Disturb Deactive Code: Default *79 Call Return Code: Default *69 Anonymous Call/Block Caller ID (Per Call) Code: Default *67...
  • Page 60 DVG-5121SP User’s Manual Digit Map Setting VoIP Setting > General Dialing Setting > Digit Map Setting The VoIP digit map allows VoIP calls with leading digits and length matching the rules specified to be dialed out immediately. It is a phone dialing plan that defines specific phone dialing behavior so the phone can know when an entered number is complete and therefore that the call should be initiated.
  • Page 61 DVG-5121SP User’s Manual Individual Keys: 0, 1…. 9, *, and # Timer: The letter “x” which matches any numeric digit (0 to 9). Range: One or more keys enclosed between square brackets ( “[“ and “]”). Sub-range: Two numeric digits separated by a hyphen (“-”) which matches any digit between and including the two.

  • Page 62: Qos/Tos Setting

    DVG-5121SP User’s Manual 7-7. QoS/TOS Setting VoIP Setting > QOS/TOS Setting > TOS Network traffic can be classified by setting the TOS (Type of Service) values at the data source so a server can decide the best method of delivery (least cost, fastest route, etc.).
  • Page 63 DVG-5121SP User’s Manual DiffServ VoIP Setting > QOS/TOS Setting > DiffServ DiffServ is a class of service (COS) model that marks packets so that they receive specific per-hop treatment. In addition, applications do not have to request a particular service or give advanced notice of whether traffic is going.
  • Page 64 DVG-5121SP User’s Manual QoS Priority Setting VoIP Setting > QOS/TOS Setting > QOS Priority Setting Quality of Service (QoS) refers to a network’s ability to deliver data with minimum delay and the networking method used to provide bandwidth for real-time multimedia applications.

  • Page 65: Phone Book

    DVG-5121SP User’s Manual 7-8. Phone Book VoIP Setting > Phone Book Up to 50 phone numbers can be stored in the phone book. SpeedDial Digit provides shortcuts (#0 to #9) for dialing frequently used VoIP phones. D-Link Corporation...

  • Page 66: Call Screen

    DVG-5121SP User’s Manual 7-9. Call Screen VoIP Setting > Call Screen Use the Call Screen page to enter phone numbers you want to reject. Incoming calls and outgoing calls can be rejected. Enter the phone number, click the Submit button, and the phone number that was just entered will be displayed on the page.

  • Page 67: Tools

    DVG-5121SP User’s Manual 8. Tools 8-1. Admin Tools > Admin Account Level: Select Admin, User, or Guest for the account level. Account Name: Enter the account name. Account Password: Enter the password to be used for authentication. Confirm Password: Reenter the password to be used for authentication.

  • Page 68: Page Configure

    DVG-5121SP User’s Manual 8-2. Page Configure Tools > Page Configure WEB Page Authority Setting: Choose one of the pages from the WEB Page Authority List to change the view level and configure level as Admin, User, Guest, or non Authority.

  • Page 69: Day/Time

    DVG-5121SP User’s Manual 8-3. Day/Time Tools > Day / Time > Manual Time Setting Manual Time Setting: Select manual time setting to manually input the time by entering the values for the Year, Month, Day, Hour, Minute, and Second. Click the Computer Clock button to copy your computer’s time.
  • Page 70 DVG-5121SP User’s Manual Daylight Saving Settings Tools > Day / Time > NTP Time Server Enable Daylight Saving: Check the box to enable the Daylight saving function. Select the DST start and end time from the drop-down menus. Please refer to the DST setting area and duration below.

  • Page 71: Ddns

    DVG-5121SP User’s Manual 8-4. DDNS Tools > DDNS DDNS (Dynamic Domain Name System) is a method of keeping a domain name linked to a changing IP Address. This is a useful feature since many computers do not use a static IP addresses.

  • Page 72: System

    DVG-5121SP User’s Manual 8-5. System Tools > System PING Test: Enter the host name or an IP address then click the PING button. Save/ Restore Setting: Click the Save button to save the current settings to the local hard drive. To restore previously saved settings, click the Browse button, find the saved settings file on your computer, and click the Restore button to upload the settings.

  • Page 73: Firmware

    You can download firmware upgrades to your hard drive from the D-Link support site. Firmware File: Check the D-Link support web site to find out if there is updated firmware; if so, download the new firmware to your hard drive, then click the UPLOAD button.

  • Page 74: Device Setting

    DVG-5121SP User’s Manual 8-7. Device Setting Tools > Device Setting Device Mode: Select Router or Bridge mode from the drop-down menu. Bridge/Lan IP: Enter the bridge/Lan IP address. Subnet Mask: Enter the subnet mask. D-Link Corporation...

  • Page 75: Tr-069 Setting

    DVG-5121SP User’s Manual 8-8. TR-069 Setting (only for TR-069 firmware version) Tools > Device Setting > TR-069 Setting TR-069 is a CPE WAN Management Protocol and it provides the communication between CPEs and ACS. It includes both a safe auto configuration and the control of other CPE management functions within an integrated framework.

  • Page 76: Status

    DVG-5121SP User’s Manual 9. Status 9-1. Device Information Status > Device Info This page displays the current device information for the DVG-5121SP. D-Link Corporation...

  • Page 77: System Log

    DVG-5121SP User’s Manual 9-2. System Log Status > Log The VoIP telephone adapter keeps a running log of events and activities occurring on the device. If the device is rebooted, the logs are automatically cleared. D-Link Corporation...

  • Page 78: Ip Tables Log

    DVG-5121SP User’s Manual 9-3. IP tables Log Status > Iptables Log This page shows the MAC Filter, IP Filter, URL Filter, Domain Filter, and Firewall information. D-Link Corporation...

  • Page 79: Line Status

    DVG-5121SP User’s Manual 9-4. Line Status Status > State This page displays the current information for the Line status and the RTP Packet summary. D-Link Corporation...

  • Page 80: Cdr

    DVG-5121SP User’s Manual 9-5. CDR Status > CDR The CDR (Call Detail Record) contains information about recent system usage, including the identities of sources (points of origin), the identities of destinations (endpoints), the duration of each call, the amount billed for each call, the total usage time in the billing period, the total free time remaining in the billing period, and the running total charged during the billing period.

  • Page 81: Telnet

    DVG-5121SP User’s Manual 10. Telnet Run Telnet: In Windows, go to the start menu and select Run. Enter “telnet 192.168.1.1” in the box. When you want to use the telnet interface to change the settings, it’s necessary to totally log out from the Web page control because the server doesn’t allow 2 users to be logged in at the same time.

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