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Multitech MultiVOIP MVP120 User Manual

Multivoip 100 series voice/fax over ip networks h.323 mode
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Voice/Fax Over IP Networks
Model MVP120
H.323 Mode
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  • Page 1 Voice/Fax Over IP Networks Model MVP120 H.323 Mode User Guide...
  • Page 2 Furthermore, Multi-Tech Systems, Inc. reserves the right to revise this publication and to make changes from time to time in the content hereof without obligation of Multi-Tech Systems, Inc. to notify any person or organization of such revisions or changes.

  • Page 3: Table Of Contents

    Telecom Safety Warning ... 17 Other Safety Warnings ... 17 Cabling Your MVP120 ... 18 Chapter 3 - Installing the MVP120 Software ... 20 Chapter 4 - Configuring the Master MultiVOIP ... 24 Registering with a Gatekeeper Phone Directory ... 28 Building a Proprietary Phonebook Directory ...
  • Page 4 LAN-Based ... 70 Telnet ... 72 Web Management ... 73 Chapter 9 - Warranty, Service, and Technical Support ... 75 Multi-Tech Systems, Inc. Warranty & Repairs Policies ... 75 Service ... 77 Ordering Accessories ... 77 Technical Support... 78 Appendix A - TCP/IP Description ... 80 Appendix B - Cabling Diagrams ...

  • Page 5: Chapter 1 - Introduction To The Multivoip

    Chapter 1 Introduction to the MultiVOIP...
  • Page 6 Internet, which has traditionally been data-only. To access this free voice and fax communication, all you have to do is connect the MVP120 to an FXO PBX port or PSTN and then to your existing Internet connection. Once configured, the MVP120 allows voice and fax to travel down the same path as your traditional data communications.

  • Page 7: Preview Of This Guide

    This chapter provides an overview of the installation process, describes the contents of the MultiVOIP package, diagrams the cabling instructions, and lists Telecom safety warnings. Chapter 3 - Installing the MVP120 Software This chapter describes how to load the MultiVOIP software.

  • Page 8: Typical Application

    On the PBX side, one phone cord is connected to the FXO jack on the back of the MVP120 and attached to an FXO port on the phone switch. The line on the PBX occupies phone extension 4124.
  • Page 9 MultiVOIP LAN IP address. The port number is 1720, but if the Gatekeeper uses a different port number, you have to ensure that Multi-Tech Systems, Inc. MultiVOIP User Guide Chapter 1 - Introduction to the MultiVOIP...
  • Page 10 MultiVOIP is busy and you wanted to look for another extension), you can assign a hunt group to those extensions. In other words, if extension 101 is busy, the corporate MultiVOIP would roll over to extension 102, if you have multiple voice channels. Multi-Tech Systems, Inc. MultiVOIP User Guide...
  • Page 11 201. The telephone at the Remote Sales office would ring and a telephone conversation is initiated just as if the Remote Sales office had been called over the regular telephone network. Multi-Tech Systems, Inc. MultiVOIP User Guide...

  • Page 12: Front Panel Description

    Sales Office. Front Panel Description The MVP120 front panel has three groups of LEDs that provide the status of the Ethernet connection (Ethernet), the Voice/Fax channel, and an LED for boot status. The front panel is shown below and a description of each LED follows.

  • Page 13: Back Panel Description

    The Power connector is used to connect the external power supply to the MVP120. Ethernet Connector The Ethernet connector is used to connect the MVP120 to a LAN using unshielded twisted cable. This connector is an RJ-45 jack. Command Connector The Command connector is used to configure the MVP120 using a PC with an available serial port and running Windows software.

  • Page 14: Specifications

    Product • Dimensions - 1.0" high x 4.3" wide x 5.6" deep (2.5 cm x 10.8 cm x 14.2 cm) • Weight - 8 oz. (224 g) Multi-Tech Systems, Inc. MultiVOIP User Guide Chapter 1 - Introduction to the MultiVOIP...

  • Page 15: Chapter 2 Installation

    Chapter 2 Installation...

  • Page 16: Overview Of The Installation Process

    The VOIP administrator must first install the MVP120 software and then configure each MVP120 for its specific function. During the configuration process, it’s important to note that the Phone Directory Database is configured differently depending on whether or not you have Gatekeeper support on your VOIP network.

  • Page 17: Unpacking Your Mvp120

    The battery has an estimated life expectancy of ten years. When the battery starts to weaken, the date and time may be incorrect. If the battery fails, the board must be sent back to Multi-Tech Systems for battery replacement. Caution: Danger of explosion if battery is incorrectly replaced.

  • Page 18: Cabling Your Mvp120

    Connect the MVP120 to a PC using the RJ-45 to DB9 (female) cable provided with your unit. Plug the RJ-45 end of the cable into the Command port of the MVP120 and connect the other end to the PC’s serial port.

  • Page 19: Chapter 3 - Installing The Mvp120 Software

    Chapter 3 Installing the MVP120 Software...
  • Page 20 “Configuring Your MVP120” will explain these differences. The MVP120 software and User Guide are contained on the MVP120 CD. The CD is auto- detectable, so when you insert it into your CD ROM drive it will start up automatically. When you have finished configuring your MVP120, you can view and print the User Guide by clicking on the Install Manuals icon.
  • Page 21 The Copying program files window displays, followed by the MVP120 Setup dialog box. This dialog box enables you to select the COM port of your PC that is connected to the Command port of the MVP120. From the Select Port list, choose the COM port of your PC.
  • Page 22 Click Yes to continue. The IP Protocol Default Setup dialog box displays as you continue now with the configuring of your MultiVOIP, which is continued in Chapter 4. Multi-Tech Systems, Inc. MultiVOIP User Guide Chapter 3 - Installing the MVP120 Software...

  • Page 23: Chapter 4 - Configuring The Master Multivoip

    Chapter 4 Configuring the Master MultiVOIP...
  • Page 24 In the Ethernet group, enter the IP Address, Subnet Mask, and Gateway Address unique to your IP LAN. The IP address is the unique LAN IP address that is assigned to the MVP120, and the Gateway address is the IP address of the device connecting your MVP120 to the Internet.
  • Page 25 Input gain modifies the level of the audio coming into the voice channel before it is sent over the Internet to the remote MVP120. Output gain modifies the level of the audio being output to the device attached to the voice channel. Make your selections from the Input and Output lists in the Voice Gain group.
  • Page 26 MVP120 uses a Jitter Buffer. The Jitter Value box allows the MVP120 to wait a user-definable period of time, in milliseconds, for delayed or out of order fax packets. The range of allowable Jitter Values is 0 to 400 with a default of 400 milliseconds.
  • Page 27 This is called Jitter. To compensate for this effect, the MVP120 uses a Dynamic Jitter Buffer. The Jitter Buffer allows the MVP120 to wait for delayed voice packets by automatically adjusting the length of the Jitter Buffer between configurable minimum and maximum values.

  • Page 28: Registering With A Gatekeeper Phone Directory

    If the GateKeeper network employs Fast Start, then accept the Use Fast Start option (default). You may have to verify this with the GateKeeper administrator. Enter the Gatekeeper IP Address in the IP Address box. Multi-Tech Systems, Inc. MultiVOIP User Guide Chapter 4 - Configuring the Master MultiVOIP...
  • Page 29 Enter the unique phone number of the local device in the Phone Number box. Leave the Description box blank. Enter the Voice Channel number corresponding to the phone number entered. MVP120 will always be Channel 1. Fill in the H.323 ID / alias box with a description to identify the phone number. For this example, you could enter “New York Office”.
  • Page 30 Click OK to download default setup. After the setup has been written to the MVP120, the unit is rebooted. Verify that the BOOT LED on the MVP120 is off after the download completes. This may take several minutes as the MVP120 reboots.

  • Page 31: Building A Proprietary Phonebook Directory

    To build your proprietary MVP120 Phone Directory (in an H.323 environment without the Gatekeeper option enabled), you will first need to select the Proprietary Phonebook option and then configure the “Master” MVP120 and then the “Slave” MVP120s (or other H.323 endpoints). Configuring the “Slave” MVP120 is discussed later in this chapter.
  • Page 32 Enter a unique phone number for the local VOIP in the Phone Number box and enter 1 for the Voice/Fax channel in the Voice Channel box. This number must be 1 for each MVP120. Note: MVP120 and MVP110 will only have one entry and will be Channel 1.
  • Page 33 Click OK and you are returned to the Phone Directory Database dialog box which now includes the second number and related information in the Phone Number list. Multi-Tech Systems, Inc. MultiVOIP User Guide Chapter 4 - Configuring the Master MultiVOIP...
  • Page 34 Click inside the Description box and enter a description for the remote stand-alone phone number. For example, “Human Resources Desk”. Note: Because the H.323 endpoint is not a MVP120, the Phone Directory database ignores the Voice Channel entry. Set the Channel to 1.
  • Page 35 MVP120. Click OK. After the setup is written to the MVP120, the unit reboots. Verify that the BOOT LED on the MVP120 is off after the download is complete. This may take several minutes as the MVP120 reboots. At this time your master MVP120 is configured. Proceed to the “Configuring Your Slave MVP120s”...

  • Page 36: Chapter 5 - Configuring The Slave Multivoips

    Chapter 5 Configuring the Slave MultiVOIPs...
  • Page 37 MVP120 at the company’s subsidiary office in London would need to be configured as a “Slave.” CAUTION: If you are installing a MVP120 behind a Firewall, the Firewall must support H.323. Refer to your Firewall user documentation to enable H.323 support.
  • Page 38 IP address for the slave unit. The IP Address is the unique IP address that you assign to the MVP120, and the Gateway Address is the IP address of the device (such as a network router) connected to the Internet/ Intranet.
  • Page 39 To compensate for this effect, the MVP120 uses a Jitter Buffer. The Jitter Value box allows the MVP120 to wait a user-definable period of time, in milliseconds, for delayed or out of order fax packets. The range of allowable Jitter Values is 0 to 400 with a default of 400 milliseconds.
  • Page 40 Auto Call Enable option in the Auto Call group. Then enter the phone number of the remote MVP120 in the Phone Number box. The Automatic Disconnection group provides three options to be used singly or in combination.
  • Page 41 This is called Jitter. To compensate for this effect, the MVP120 uses a Dynamic Jitter Buffer. The Jitter Buffer allows the MVP120 to wait for delayed voice packets by automatically adjusting the length of the Jitter Buffer between configurable minimum and maximum values.
  • Page 42 MVP120 reboots. You are returned to the Main menu. Your MVP120 is operational at this time. Repeat the process for each of the slave units. When all slaves have been configured, go to “Deploying the VOIP Network”.

  • Page 43: Chapter 6 - Deploying The Voip Network

    Chapter 6 Deploying the VOIP Network...

  • Page 44: Remote Site Administrator

    Connect a network cable to the ETHERNET (RJ-45) connector on the back of your MVP120. If you are connecting an FXO / PBX port or PSTN to your MVP120, connect one end of an RJ-11 cable to the Phone connector on the back of the MVP120 and the other end to the FXO or PSTN.

  • Page 45: Chapter 7 - Using The Multivoip Software

    Chapter 7 Using the MultiVOIP Software...
  • Page 46 The primary interface to the MVP120 software is the Main menu (MultiVOIP 100 Setup is on the title bar) with individual buttons that enable you to quickly and easily select a desired function.

  • Page 47: Mvp120 Configuration

    Chapter 7 - Using the MultiVOIP Software MVP120 Configuration The MVP120 Setup menu consists of 10 buttons, an Events window in the middle of the menu, and a status bar at the bottom of the menu. The 10 buttons allow you to display and...

  • Page 48: Changing Channel Parameters

    MVP120 is operating. The Channel Setup dialog box, accessed by clicking Voice Channels on the Setup menu, has four tabs that display the following categories of channel information -- Interface, Voice/Fax, Billing/Misc, and Regional.

  • Page 49: Voice/Fax Tab

    Input gain modifies the level of the audio coming into the voice channel before it is sent over the Internet to the remote MVP120. The valid range for this option is +31dB to –31dB. The recommended and default value is 0. The Output Gain list defines the voice output gain for this voice channel.

  • Page 50: Billing/Misc Tab

    Chapter 7 - Using the MultiVOIP Software The Fax group enables a fax machine to transmit and receive faxes through the MVP120. If a fax machine is connected to the via PBX port or PTSN, the Max Baud Rate should be set to match the baud rate of the fax machine (refer to user documentation).

  • Page 51: Regional Tab

    This is called Jitter. To compensate for this effect, the MVP120 uses a Dynamic Jitter Buffer. The Jitter Buffer allows the MVP120 to wait for delayed voice packets by automatically adjusting the length of the Jitter Buffer between configurable minimum and maximum values.

  • Page 52: Changing The Phone Directory Database

    Master IP Address window, the Send Status Report to Master option can be enabled, and all the buttons at the top of the directory database dialog box become inactive, except for the Print button. Multi-Tech Systems, Inc. MultiVOIP User Guide...

  • Page 53: Proprietary Phone Directory Database

    It can be, for example, a three digit number like 101. The Description is similar to a local telephone book listing. It identifies the calling party. The voice channel window defines the voice channel associated with the phone number. Multi-Tech Systems, Inc. MultiVOIP User Guide...
  • Page 54 VOIP network (Send Status Report to Master must be enabled on the Slave). The Phone Number of each Slave displays with its IP Address, current line status, and the description of the phone number. Multi-Tech Systems, Inc. MultiVOIP User Guide...

  • Page 55: Gatekeeper Phone Directory Database

    Gatekeeper administrator so that the identification of the endpoint is the same. To add an entry to the Database, click Add. The Add/Edit Phone Entry dialog box displays. Multi-Tech Systems, Inc. MultiVOIP User Guide...
  • Page 56 IP address, port number, and channel number of the local unit. The description is the same as the entry in the H323 ID entry in the Add/Edit Phone Entry dialog box. Multi-Tech Systems, Inc. MultiVOIP User Guide...

  • Page 57: Changing Ip Parameters

    Changing IP Parameters The IP Setup dialog box establishes the IP address for the local Ethernet LAN and defines the Internet gateway address. The IP Setup dialog box is accessed by clicking IP on the MVP120 Main menu. With IP Setup dialog box displayed you can change the status of Diffserv, the Ethernet Frame Type, the IP address and IP Mask of your H.323 endpoint, and the Gateway Address of the IP...

  • Page 58: Viewing Call Progress

    Internet connection. To reduce the frequency of lost packets, select a low-bit- rate coder, such as, G.723 or Netcoder. In addition, enabling the Forward Error Correction option on the Voice/Fax tab on the Channel Setup dialog box will enable the MVP120 to recover many of the lost packets.

  • Page 59: Applications Setup

    The IP address of the system (i.e., SNMP Manager) that will receive the Traps from the MVP120 should be entered in the IP Address field in the Trap Manager group. The Community Name of the SNMP Manager receiving the Traps can be a maximum of 19 characters and is case sensitive.

  • Page 60: Viewing Statistics

    Viewing Statistics The Statistics dialog box enables you to view statistics for major events of the MVP120 operation. This dialog box is accessed by clicking Statistics on the MVP120 Main menu. The Voice Channel statistics shows the attempted and completed calls, call duration, average call length, bytes/packets sent and received.

  • Page 61: Snmp Statistics

    Chapter 7 - Using the MultiVOIP Software connecting to the MVP120’s web server, you would look under the TCP section to see if any connections are being established. If not, that may indicate the web server is not enabled. Or, if you were having problems establishing a remote connection through TFTP, you could look in the UDP section to see if any packets are being received.

  • Page 62: Viewing Logs

    The Log Entry Details dialog box displays the status of a completed call. This dialog box displays the same details as the Call Progress dialog box after a call is completed. Multi-Tech Systems, Inc. MultiVOIP User Guide Chapter 7 - Using the MultiVOIP Software...

  • Page 63: Viewing Channel Totals

    The Channel Totals dialog box displays Outgoing and Incoming calls with their Attempted and Completed numbers for each channel on this MVP120. The Total Connected Time for the channel is also displayed. This can provide you with a sense of successful call completions on each channel of the unit.

  • Page 64: Upgrade Procedures

    Upgrade Procedures Whenever you upgrade your version of the MVP120 software, you must first install the new software on your PC. Then use the Upgrade Software function, the Factory Defaults, or download the Firmware, the Voice Coders, and the H.323 stack to upgrade the MVP120 itself.
  • Page 65 MultiVOIP firmware, voice coders, and H.323 stack are downloaded, and then the MVP120 reboots. Upgraded versions of the Boot Code (firmware, coders, and H.323 stack) can be downloaded individually using the following manual procedures. Multi-Tech Systems, Inc. MultiVOIP User Guide Chapter 7 - Using the MultiVOIP Software...

  • Page 66: Manual Upgrade Procedure

    From the program group of the MultiVOIP software, select Download H323 Stack. Select the default file. Select MultiVOIP Configuration from the program group and reconfigure your MultiVOIP. The upgrade is complete. Multi-Tech Systems, Inc. MultiVOIP User Guide Chapter 7 - Using the MultiVOIP Software...

  • Page 67: Chapter 8 - Remote Configuration And Management

    Chapter 8 Remote Configuration and Management...

  • Page 68: Modem-Based

    MVP120 either via the modem connection or the LAN. Modem-Based To remotely configure a MVP120, a local PC with a modem needs to be connected to a dial-up line and the MVP120 software configured to call the remote MVP120. The remote MVP120 needs to have a modem connected to a dial-up line and the Command Port.
  • Page 69 Click OK when you are satisfied with your selections. Run the MVP120 Configuration program. Click Start | Programs | MultiVOIP 100 | MultiVOIP Configuration, or double-click the MultiVOIP Configuration icon in the MultiVOIP 100 program group.

  • Page 70: Lan-Based

    PC host name. You should also test the network interface configuration by Pinging another TCP/IP device that is connected to the network. Install the MVP120 software on the local PC. When installed, click Start | Programs | MultiVOIP 100 | Configuration Port Setup, or double-click the Configuration Port Setup icon in the MultiVOIP 100 program group.
  • Page 71 Click Exit when downloading is complete. Double-click the MultiVOIP Configuration icon in the MultiVOIP 100 program group to verify that the MultiVOIP is running. Multi-Tech Systems, Inc. MultiVOIP User Guide Chapter 8 - Remote Configuration and Management...

  • Page 72: Telnet

    A typical Telnet client application is described next. The MVP120 has a built-in Telnet Server that enables Telnet client PCs to access the MVP120. A typical Telnet client is allowed to configure the MVP120. In addition, the MVP120 can be remotely accessed and configured from anywhere on the Internet through its Web interface.

  • Page 73: Web Management

    Chapter 4 - MVP120 Software). Once enabled, you can access the MVP120 by entering its IP address in your web browser. The following page displays. If a Password was entered in the Applications Setup dialog box, then enter the password and the Enter.

  • Page 74: Chapter 9 - Warranty, Service, And Technical Support

    Chapter 9 Warranty, Service, and Technical Support...

  • Page 75: Multi-Tech Systems, Inc. Warranty & Repairs Policies

    This chapter starts out with statements about your MVP120 2-year warranty. The next section, Tech Support, should be read carefully if you have questions or problems with your MVP120. It includes the technical support phone numbers, space for recording your product information, and an explanation of how to send in your MVP120 should you require service.
  • Page 76 Repair Procedures for International Distributors Procedures for International Distributors of Multi-Tech products are on the distributor web site. http://www.multitech.com/PARTNERS/login/ Copyright ã Multi-Tech Systems, Inc. 2001 10-Sep-01 Multi-Tech Systems, Inc. MultiVOIP User Guide...

  • Page 77: Service

    2205 WOODALE DRIVE MOUNDS VIEW, MINNESOTA 55112 ATTN: SERVICE OR REPAIRS You should also check with the supplier of your MVP120 on the availability of local service and/or loaner units in your part of the country. Ordering Accessories SupplyNet, Inc. supplies replacement transformers, cables and connectors for select Multi-Tech products.

  • Page 78: Technical Support

    Multi-Tech product. If you have any questions about the operation of this unit, call 1- 800-972-2439. Please fill out the MVP120 information (below), and have it available when you call. If your MVP120 requires service, the tech support specialist will guide you on how to send it in (refer to the next section).
  • Page 79 Appendixes...

  • Page 80: Appendix A - Tcp/Ip Description

    (connection-oriented) communication service across the network. TCP includes rules for formatting messages, establishing and terminating virtual circuits, sequencing, flow control, and error correction. Most of the applications in the TCP/IP suite operate over the “reliable” transport service provided by TCP. Multi-Tech Systems, Inc. MultiVOIP User Guide...
  • Page 81 Whois/NICNAME: Utilities that search databases for information about Internet domain and domain contact information, per RFC 954 ( ftp://ds.internic.net/rfc/rfc954.txt). • Traceroute: a tool that displays the route that packets will take when traveling to a remote host. Multi-Tech Systems, Inc. MultiVOIP User Guide Appendix A - TCP/IP Description...
  • Page 82 Domain names and IP addresses are granted by the InterNIC. To check the availability of a specific name or to obtain more information, call the InterNIC at (703)742-4777. Multi-Tech Systems, Inc. MultiVOIP User Guide...

  • Page 83: Appendix B - Cabling Diagrams

    Command Port Cable LAN Cable Circuit Signal Name TD+ Data Transmit Positive TD- Data Transmit Negative RD+ Data Receive Positive RD- Data Receive Negative Phone Connector Pin Connections Description Ring Multi-Tech Systems, Inc. MultiVOIP User Guide Appendix B - Cabling Diagrams...
  • Page 84 Appendix B - Cabling Diagrams Remote Configuration Cable Multi-Tech Systems, Inc. MultiVOIP User Guide...

  • Page 85: Appendix C - Regulatory Information

    Since any number of Fax software packages can be used with this product, the user must refer to the Fax software manual for setup details. Typically, the Fax branding information must be entered via the configuration menu of the software. Multi-Tech Systems, Inc. MultiVOIP User Guide Appendix C - Regulatory Information...

  • Page 86: Fcc Part 68 Telecom

    No repairs are to be made by you. Repairs are to be made only by Multi-Tech Systems or its licensees. Unauthorized repairs void registration and warranty.

  • Page 87: Canadian Limitations Notice

    States relating to electrical equipment designed for use within certain voltage limits: Council Directive 98/13/EC of 12 March 1998 on the approximation of the laws of Member States concerning telecommunications terminal and Satellite earth station equipment. Multi-Tech Systems, Inc. MultiVOIP User Guide Appendix C - Regulatory Information...

  • Page 88: Glossary

    Glossary...
  • Page 89 Bandwidth is a factor in determining the amount of information and the speed at which a medium can transmit data or other information. Multi-Tech Systems, Inc. MultiVOIP User Guide...
  • Page 90 U.S. See also ITU. Central Office (CO): The lowest, or most basic level of switching in the PSTN (public switched telephone network). A business PABX or any residential phone connects to the PSTN at a central office. Multi-Tech Systems, Inc. MultiVOIP User Guide...
  • Page 91 D4 framing: The T1 format for framing in AT&T D-Series channel banks, in which there are 12 separate 193-bit frames in a super- frame. A D4 framing bit is used to identify the channel and the signaling frame. Signalling for voice channels is carried in-band for every channel, along with the encoded voice. See "robbed-bit signaling". Multi-Tech Systems, Inc. MultiVOIP User Guide...
  • Page 92 Data Communications Equipment (DCE): Any device which serves as the portal of entry from the user equipment to a telecom- munications facility. A modem is a DCE for the phone network (PSTN) that is commonly on site at the user’s premises. Packet Switched Networks have another level of DCE which is most often located at a central office.
  • Page 93 Connecting a POTS phone to a computer telephony system via a T1 link requires a channel bank configured for the FX connection. To generate a call from the POTS set to the computer telephony system, an FXO connection must be configured. Multi-Tech Systems, Inc. MultiVOIP User Guide...
  • Page 94 Foreign Exchange Station (FXS): See FX, FXO. To generate a call from the computer telephony system to the POTS set, a FXS connection must be configured. Forward Explicit Congestion Notification (FECN): A bit that tells you that a certain frame on a particular logical connection has encountered heavy traffic.
  • Page 95 2. A LAN does not use store and forward techniques. 3. A network in which a set of devices are connected to one another for a communication and that can be connected to a larger network. Multi-Tech Systems, Inc. MultiVOIP User Guide...
  • Page 96 Local Access and Transport Area (LATA): A post-divestiture geographical area generally equivalent to a Standard Metropolitan Statistical Area. At divestiture, the territory served by the Bell system was divided into approximately 161 LATAs. The Bell Operating Companies (BOCs) provide Intra-LATA services. Local Exchange Carrier (LEC): The local phone company which provides local (i.e., not long distance) transmission services.
  • Page 97 Point-to-Point Protocol (PPP): A protocol that lets a PC user access TCP/IP (Internet member) using an ISDN terminal adapter or a high-speed modem over a standard phone line. Port: A location for input or output data exchange. Computers, muxes, etc. have ports for various purposes. Multi-Tech Systems, Inc. MultiVOIP User Guide...
  • Page 98 PRI (Primary Rate Interface): Used on ISDN. In North America, and Japan, PRI is one 64Kbps D channel and 23 B channels. Elsewhere, it is one D channel and 30 B channels. PRI is the ISDN equivalent of a T-1 circuit. Primitive: An abstract representation of interaction across the access points indicating that information is being passed between the service user and the service provider.
  • Page 99 Compare to Asynchronous Transmission. Systems Network Architecture (SNA): The description of the logical structure, formats, protocols, and operational sequences for transmitting information units through, and controlling the configuration and operation of networks. Multi-Tech Systems, Inc. MultiVOIP User Guide...
  • Page 100 NAC networks of high complexity. They are automatically added to messages as they enter the network and can be stripped off before being passed to the host or another device that does not support TPDU's. Multi-Tech Systems, Inc. MultiVOIP User Guide...
  • Page 101 All information packets follow the same route and arrive in sequence (but do not necessarily carry a complete address). Zone: A collection of all H.323 endpoints and MCUs managed by a single Gatekeeper. A zone must include may include LAN segments connected by using routers. Multi-Tech Systems, Inc. MultiVOIP User Guide...

  • Page 102: Index

    Building a proprietary phonebook ... 31 Cable Connection Remote Site ... 44 Cabling ... 18 Local site ... 18 Cabling the MVP120 Remote site ... 44 Call Duration ... 27, 41 Call progress, viewing ... 58, 62 Canadian limitations notice ... 87 Channel interface default setup, Master ...
  • Page 103 Modem-based remote configuration ... 68 MultiVOIP Main menu, introduction ... 46 MultiVOIP Main menu, screen ... 47 MultiVOIP, Telnet server menu ... 72 MVP120 Back panel ... 13 Cabling diagrams ... 83 Configuring the Slave MultiVOIP ... 37 Deploying the VOIP network ... 44 Front panel ...
  • Page 104 Index UDP packets ... 60 Uninstall ProxyServer configuration ... 46 Unpacking your MVP120 ... 17 Upgrading software version ... 64 Viewing statistics ... 60 Voice coder, voice/fax ... 49 Voice over IP configuration ... 72 Voice/Fax 1 and 2, front panel ... 12 Voice/Fax channel connectors, diagram ...

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