Nortel BCM50 2.0 Installation Manual

Nortel BCM50 2.0 Installation Manual

Telephony device installation guide
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Telephony Device Installation Guide
BCM50 2.0
Business Communications Manager
Document Status: Standard
Document Number: NN40020-309
Document Version: 03.01
Date: September 2006

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  • Page 1 Telephony Device Installation Guide BCM50 2.0 Business Communications Manager Document Status: Standard Document Number: NN40020-309 Document Version: 03.01 Date: September 2006...
  • Page 2 Users must take full responsibility for their applications of any products specified in this document. The information in this document is proprietary to Nortel Networks. Trademarks Nortel, the Nortel logo, and the Globemark are trademarks of Nortel Networks. All other trademarks and registered trademarks are the property of their respective owners.
  • Page 3: Table Of Contents

    Contents Chapter 1 Getting started with telephony devices ......7 About this guide ............7 Audience .
  • Page 4 Networking with BCM50 2.0 ........
  • Page 5 Contents Keeping an IP telephone active ......... . 60 Moving IP telephones .
  • Page 6 Contents NN40020-309 NN40020-309...
  • Page 7: Getting Started With Telephony Devices

    This guide is intended for installers responsible for installing, configuring, and maintaining telephony devices on BCM50 systems. To use this guide, you must • be an authorized BCM50 installer/administrator within your organization • know basic Nortel BCM50 terminology • be knowledgeable about telephony and IP networking technology Telephony Device Installation Guide...
  • Page 8: About Bcm50

    Chapter 1 Getting started with telephony devices About BCM50 The BCM50 system provides private network and telephony management capability to small and medium-sized businesses. The BCM50 system • integrates voice and data capabilities, voice over Internet protocol (VoIP) gateway functions, and Quality of Service (QoS) data-routing features into a single telephony system •...
  • Page 9: Symbols And Text Conventions

    Chapter 1 Getting started with telephony devices BCM50 applications BCM50 Release 2.0 supports many applications provided on the existing BCM50 platform. Note: You enable the following features by entering the appropriate keycodes (no additional hardware is required) • Voice Messaging for standard voice mail and auto-attendant features •...
  • Page 10 Chapter 1 Getting started with telephony devices Security note: Indicates a point of system security where a default should be changed, or where the administrator needs to make a decision about the level of security required for the system. Warning: Alerts you to ground yourself with an antistatic grounding strap before performing the maintenance procedure.
  • Page 11: Related Publications

    Chapter 1 Getting started with telephony devices Related publications This document refers to other related publications, which appear in the following list. To locate specific information, you can refer to the Master Index of BCM50 2.0 Library. Device Configuration Guide (NN40020-300) Installation and Maintenance Guide (NN40020-302)
  • Page 12: How To Get Help

    To access some Nortel Technical Solutions Centers, you can use an Express Routing Code (ERC) to quickly route your call to a specialist in your Nortel product or service. To locate the ERC for your product or service, go to: http://www.nortel.com/erc...
  • Page 13: Device Description

    Chapter 2 Device description This chapter describes the telephony devices (telephones) that BCM50 supports. Analog devices BCM50 supports analog telephones (single-line telephones), cordless telephones, fax machines, answering machines, and modems (with a maximum speed of 28.8 kbit/s). You must install an analog station media bay module (ASM8, ASM8+, and GASM) for analog devices (see Chapter 3, “Installing an analog station media bay...
  • Page 14: Wireless Devices

    Chapter 2 Device description Wireless devices BCM50 supports the following wireless devices: • Dect 413x series handsets: three display softkeys, four-line handset display, text messaging • Dect 414x series handsets: three display softkeys, four-line handset display, loudspeaker capability, text messaging •...
  • Page 15: Isdn Devices

    Chapter 2 Device description The IP Phone 1120 brings voice and data to the desktop by connecting directly to a local area network (LAN) though an Ethernet connection • IP Phone 1140/1140E: graphical, high-resolution LCD display, backlit, with adjustable contrast. It also has six user defined feature keys and four soft keys The IP Phone 1140 brings voice and data to the desktop by connecting directly to a LAN through an Ethernet connection.
  • Page 16 Chapter 2 Device description Table 1 Telephony devices release compatibility matrix BCM50 BCM50 Device BCM 3.5 BCM 3.6 BCM 3.7 BCM 4.0 IP Audio Conference Phone 2033 IP KEM WLAN 2210 Handset WLAN 2211 Handset WLAN 2212 Handset Table 2 shows the types of lines supported by different MBMs and the number of lines those MBMs support.
  • Page 17 Chapter 2 Device description Table 3 MBM station requirements (Sheet 2 of 2) Type of extension Type of MBM Number of extensions per MBM Analog extensions GASM8 Cordless handsets (DECT) (selected profiles only) Digital extensions are for digital or IP telephones. You do not need to include IP telephones when you calculate the number of required DSM MBMs.
  • Page 18 Chapter 2 Device description NN40020-309 NN40020-309...
  • Page 19: Installing An Analog Station Media Bay Module

    Chapter 3 Installing an analog station media bay module You can connect a a maximum of eight analog telecommunication devices to the analog station media bay modules (ASM8, ASM8+, and GASM). These devices are standard analog telephones, cordless telephones, fax machines, answering machines, or modems. The maximum speed for a modem connection is 28.8 kbit/s.
  • Page 20: Installing And Configuring A Media Bay Module

    Chapter 3 Installing an analog station media bay module Figure 1 GASM faceplate LEDs and connectors The ringer equivalency number (REN) per port for ASM8 is 1; the REN for ASM8+ and GASM is 2. Note: The termination of the analog interface can consist of any combination of devices, subject only to the requirement that the sum of the RENs of all the devices does not exceed the REN of the interface to which the device is connected.
  • Page 21: Configuring The Media Bay Module

    Chapter 3 Installing an analog station media bay module Configuring the media bay module For information on installing a media bay module (MBM) and setting the dip switches, refer to the Installation and Maintenance Guide (NN40020-302). To configure the MBM Open Element Manager and connect to your BCM50 system.
  • Page 22: Wiring The Asm

    Chapter 3 Installing an analog station media bay module Figure 2 Telephony Resources panel Wiring the ASM An experienced installer can wire the ASM for your system using the wiring chart, for more information refer to the “ASM8, ASM8+, and GASM wiring chart” on page Installing analog devices After the ASM is correctly wired, you can connect your analog devices.
  • Page 23: Installing The Analog Terminal Adapter

    Chapter 4 Installing the analog terminal adapter This chapter provides installation instructions for the analog terminal adapter 2 (ATA2) or ATA. The ATA2 connects a standard analog voice device or data communication device to the BCM50 system through a digital station module. Examples of analog voice devices are analog telephones and answering machines.
  • Page 24: Installing The Ata2

    Chapter 4 Installing the analog terminal adapter Installing the ATA2 The following sections provide information on installing the ATA2: • “Connecting the ATA2” on page 24 • “Mounting the ATA2” on page 25 • “Test insertion loss measurement” on page 25 Connecting the ATA2 After the correct environment has been set up, connect the BCM50 system and the analog device to the ATA2 and then connect the power (see...
  • Page 25: Mounting The Ata2

    Chapter 4 Installing the analog terminal adapter Plug the adapter into a standard ac outlet. Caution: In North America, the ATA2 must be powered from a Class 2 power source that is UL- and CSA-approved. In Europe, the ATA2 must be powered from a Class II power source that is CE-marked. Mounting the ATA2 After you have correctly connected the ATA2, you can mount the unit on a wall.
  • Page 26 Chapter 4 Installing the analog terminal adapter Figure 7 Insertion loss from the CO to the analog telephone Longitudinal balance to ground 50 dB 60 to 4,000 Hz With IEEE 455-1976 test Overload level 3 dB Measure the total insertion loss between the CO and analog device by using standard dial-up test lines with a transmission test set (for example, Hewlett-Packard 4935A Transmission Test Set).
  • Page 27: Configuring The Ata2

    Chapter 4 Installing the analog terminal adapter To measure the insertion loss from the analog device to the CO Establish a connection to a silent termination on the CO service line with an analog telephone attached to the ATA2. Make sure the analog port terminates correctly in 600 ohms: •...
  • Page 28 Chapter 4 Installing the analog terminal adapter NN40020-309 NN40020-309...
  • Page 29: Isdn Overview

    Chapter 5 ISDN overview The following provides some general information about using ISDN lines on your BCM50 system. Detailed information about ISDN is widely available through the internet. Your service provider can also provide you with specific information to help you understand what suits your requirements.
  • Page 30: Types Of Isdn Service

    Chapter 5 ISDN overview An analog modem operating at 14.4K takes about 4.5 minutes to transfer a 1MB data file and a 28.8K modem takes about half that time. Using one channel of an ISDN line, the transfer time is reduced to only 1 minute and if two ISDN channels are used, transfer time is just 30 seconds.
  • Page 31: Isdn Bearer Capability

    Chapter 5 ISDN overview • Layer 3: Also a logical connection between the ISDN network (your service provider) and the BCM50 system. For BRI lines, layer 3 is where call processing and service profile identifier (SPID) information is exchanged. This controls which central office services are available to the connection.
  • Page 32: Pri Services And Features

    Chapter 5 ISDN overview PRI services and features The services and features provided over PRI lines include: • Call-by-call service selection (NI protocol) • Emergency 911 dialing, internal extension number transmission • access to Meridian 1 private networking (SL-1 protocol) BRI services and features The services and features provided over BRI lines include: •...
  • Page 33: Network Name Display

    Chapter 5 ISDN overview • Subaddressing of terminal equipment (TE) on the same BRI loop. However, terminal equipment which supports sub-addressing is not commonly available in North America (for BRI only). Transmission of B-channel packet data using nailed up trunks is not supported by BCM50. Contact your ISDN service provider for more information about these services and features.
  • Page 34: Call By Call Service Selection For Pri

    Chapter 5 ISDN overview Call by Call Service Selection for PRI PRI lines can be dynamically allocated to different service types with the Call by Call feature. PRI lines do not have to be pre-allocated to a given service type. Outgoing calls are routed through a dedicated PRI Pool and the calls can be routed based on various schedules.
  • Page 35: Two-Way Did

    Chapter 5 ISDN overview • The OLI digits for each set should be identical to the DID dialed digits for the set. • The routing table should route 911 to a PRI line pool. • If attendant notification is required, the routing table must be set up for all 911 calls to use a dedicated line which has an appearance on the attendant console.
  • Page 36: Isdn Hardware

    Chapter 5 ISDN overview ISDN hardware To support connections to an ISDN network and ISDN terminal equipment, your BCM50 must be equipped with a BRI S/T Media Bay Module (BRIM) or a Digital Trunk Media Bay Module (DTM) card configured for PRI. The digital BRI ISDN lines are connected to the BCM50b, BCM50ba, and BCM50be main units through the BRI ports (RJ-45) on the front of the main units.
  • Page 37 Chapter 5 ISDN overview S loops support up to seven ISDN DNs, which identify TE to the BCM50 system. Figure 8 S reference point ISDN TE (with terminating resistors) point-to-point ISDN TE BCM50 ISDN TE (with terminating resistors) ISDN TE T Reference Points The T reference point connections provide a point-to-point digital connection between the ISDN network and BCM50.
  • Page 38: Clock Source For Isdn

    (only in North America). In addition, it manages the maintenance messages travelling between the network and the NT1, and between the NT1 and the BCM50 system. The NT1 from Nortel is packaged two ways: • a stand alone package which contains one NT1 card (NTBX80XX) and a power supply (NTBX81XX) •...
  • Page 39: Planning Your Isdn Network

    Chapter 5 ISDN overview Planning your ISDN network For ISDN BRI service, your service provider supplies service profile identifiers (SPIDs), network directory numbers (Network DNs), terminal endpoint identifiers (TEIs), and other information as required to program your BCM50, TE and other ISDN equipment. BCM50 does not support any package with EKTS or CACH.
  • Page 40: Supported Isdn Protocols

    Chapter 5 ISDN overview Point-of- Capability Feature set Optional features sale Voice Data Alternate CLID voice/circuit-switched data on both B-channels Alternate flexible calling for voice (not additional call offering (not voice/circuit-switched data supported by BCM50) supported by BCM50) on both B-channels Basic D-Channel Packet calling line identification D-channel packet...
  • Page 41: Ip Telephone Overview

    IP telephony provides the flexibility, affordability, and expandability of the Internet to the world of voice communications. This section includes an overview of the components that make up the BCM50 2.0 IP telephony and Voice over IP (VoIP) features: •...
  • Page 42: Ip Telephones And Voip Trunks

    BCM50 2.0. Instead, they must be plugged into an IP network which is connected to the through the integrated interface (LAN card) on the BCM50 2.0. Calls made from IP telephones through the BCM50 2.0 can pass over VoIP trunks or across Public Switched Telephone Network (PSTN) lines.
  • Page 43 IP network connection. The IP network connection uses VoIP trunks. If the PSTN connections use dedicated ISDN lines, the two systems have backup private networks to each other. Both BCM50 2.0 systems use VoIP trunks through a common IP network to connect to the Meridian (M1-IPT) system.
  • Page 44: Networking With Bcm50 2.0

    BCM50 2.0 systems also can be linked together on a network of VoIP trunks and/or dedicated physical lines. The BCM50 2.0 can be connected to a LAN through a the integrated interface LAN card, and to a PSTN through trunk media bay modules, as shown for BCM50 2.0 A in Figure 10.
  • Page 45 10, for example: Digital telephone A wants to call IP telephone B, which is attached to BCM50 2.0 B, over a network that is under the control of a gatekeeper. Digital telephone A sends a request to the gatekeeper. The gatekeeper, depending on how it is programmed, provides Digital telephone A with the information it needs to contact BCM50 2.0 B over the network.
  • Page 46: Key Ip Telephony Concepts

    A Wide Area Network (WAN) is a communications network that covers a wide geographic area, such as state or country. For BCM50 2.0, a WAN is any IP network connected to a WAN card on the BCM50 2.0 system. This may also be a direct connection to another BCM50 2.0 system.
  • Page 47 Note: You can only change the jitter buffer on a configured IP telephone if it is online to the BCM50 2.0, or if Keep DN Alive is enabled for an offline telephone. Telephony Device Installation Guide...
  • Page 48 Per Hop Behavior (PHB). The DSCP is contained within the DiffServ field, which was known as the ToS field in older versions. The BCM50 2.0 assigns Expedited Forwarding (EF) PHB for voice media packets. On the BCM50 2.0, these assignments cannot be adjusted.
  • Page 49: Registering Nortel 20Xx And 11Xx Ip Telephones

    Chapter 7 Registering Nortel 20XX and 11XX IP telephones The Nortel IP telephones must register with the system to be able to use the call features and system features. Determining the registration process Registering IP telephones to the system is a two-stage process.
  • Page 50: Registering The Telephone To The System

    Chapter 7 Registering Nortel 20XX and 11XX IP telephones — If DHCP (Distributed Host Control Protocol) service on the system is active or the Customer DHCP server has been configured to hand out the specific system network details, the IP telephone automatically attempts to find the server.
  • Page 51 Chapter 7 Registering Nortel 20XX and 11XX IP telephones To access the local configuration menu on an IP telephone Restart the telephone by disconnecting the power, then reconnecting the power. NORTEL NETWORKS After about four seconds, the top light flashes and appears on the screen.
  • Page 52 Chapter 7 Registering Nortel 20XX and 11XX IP telephones To use the IP Phone 2007 dialpad Tap the tool icon (see Figure 12 on page 53). When prompted for a password, using the dialpad enter COLOR*SET (26567*738). To access the local configuration menu on an IP Phone 1120E/ 1140E Restart the telephone by disconnecting the power, then reconnecting the power.
  • Page 53 Chapter 7 Registering Nortel 20XX and 11XX IP telephones Figure 12 IP Phones Display buttons Services key 2033 2001/2002/2004 Tool icon Services key 1120E/1140E 2007 Press the button sequence within 1.5 seconds; otherwise the telephone does not enter configuration mode.
  • Page 54 Chapter 7 Registering Nortel 20XX and 11XX IP telephones Notes: • If the DN record is not configured yet, as is the case with auto-assigned DNs, you can only place local calls until other lines are assigned in the DN record.
  • Page 55: Troubleshooting Ip Telephones

    Chapter 7 Registering Nortel 20XX and 11XX IP telephones Table 4 IP telephone server configurations (Sheet 2 of 2) Field Value Description S2 PORT Default: *7000 This is the port the telephone uses to access this system. S2 ACTION Default: 1 S2 RETRY COUNT <digits between 0...
  • Page 56: Operation Issues

    Chapter 7 Registering Nortel 20XX and 11XX IP telephones Operation issues Table 6 provides solutions to potential problems. Table 6 IP telephone troubleshooting Problem Suggested solution or cause Connecting to server If an IP telephone does not display the text...
  • Page 57 Chapter 7 Registering Nortel 20XX and 11XX IP telephones Telephony Device Installation Guide...
  • Page 58 Chapter 7 Registering Nortel 20XX and 11XX IP telephones NN40020-309 NN40020-309...
  • Page 59: Relocating Telephones

    Chapter 8 Relocating telephones This chapter explains how you can physically move a telephone within the system so that the telephone programming follows the telephone to the new location. • “Moving digital telephones” on page 59 • “Moving IP telephones” on page 60 •...
  • Page 60: Keeping An Ip Telephone Active

    Moving IP telephones IP telephones retain their DN when you move them to a new location on the same subnet. The following instructions apply to Nortel IP telephones. To move an IP telephone without changing the DN Disconnect the power from the IP telephone or three-port switch.
  • Page 61: User Card List

    Disconnect the power from the IP telephone or three-port switch. Note: If your network is using partial DHCP, reconfiguration is not required at this step. To move a Nortel IP telephone and change the DN Deregister the DN. Disconnect the network connection and the power connection from the telephone.
  • Page 62 Chapter 8 Relocating telephones NN40020-309 NN40020-309...
  • Page 63: Adid Wiring Chart

    Appendix A ADID wiring chart Appendix A ADID wiring chart Analog telephone lines connect to the ADID4 or ADID8 through the RJ-21 connector on the front of the media bay module (MBM). See the figure ADID RJ-21 connector (page 63). Figure 13 ADID RJ-21 connector ADID RJ-21 connector...
  • Page 64 Appendix A ADID wiring chart NN40020-309 NN40020-309...
  • Page 65: Asm8, Asm8+, And Gasm Wiring Chart

    Appendix B ASM8, ASM8+, and GASM wiring chart Appendix B ASM8, ASM8+, and GASM wiring chart Analog telephony devices, such as single-line telephones, modems, and fax machines, are connected to the analog station module (ASM) through the RJ-21 connector on the front of the media bay module (MBM) (see Figure 14).
  • Page 66 Appendix B ASM8, ASM8+, and GASM wiring chart Table 8 ASM RJ-21 connector wiring (Sheet 2 of 2) Default DN on Default DN on Connection Wire color Expansion port 1 Expansion port 2 — No connection Violet-Slate — — No connection Slate-Violet NN40020-309 NN40020-309...
  • Page 67: Dsm16 And Dsm32 Wiring Charts

    Appendix C DSM16 and DSM32 wiring charts Appendix C DSM16 and DSM32 wiring charts Digital telephones, such as the Business Series Telephones, are connected to a digital station module (DSM16 or DSM32) through the RJ-21 connectors on the front of the media bay modules (MBM).
  • Page 68 Appendix C DSM16 and DSM32 wiring charts Table 9 DSM16 and DSM32 RJ-21 connector wiring (Sheet 2 of 2) Default DN on Expansion port 1 Default DN on Expansion port 2 DSM16 or DSM16 or Lower DSM32 Upper DSM32 Lower DSM32 Upper DSM32 Connection Wire color...
  • Page 69: Dtm Wiring Chart

    Appendix D DTM wiring chart Appendix D DTM wiring chart The digital telephone line is connected to the digital trunk module (DTM) through the RJ-48C jack on the front of the media bay module (MBM) (see Figure 16). Figure 16 DTM RJ-48C port 1 2 3 4 5 6 7 8 RJ-48C pin-out Bantam jack...
  • Page 70 Appendix D DTM wiring chart NN40020-309 NN40020-309...
  • Page 71: Bri Wiring Chart

    Appendix E BRI wiring chart Appendix E BRI wiring chart The digital BRI ISDN lines are connected to the BCM50b, BCM50ba, and BCM50be main units through the BRI ports (RJ-45) on the front of the main units. See the figure “BRI ports and pin out (BCM50b shown)”...
  • Page 72 Appendix E BRI wiring chart Table 13 BRI line numbering Default line numbers on Default line numbers on Port number Expansion port 1 Expansion port 2 065 – 066 095 – 096 067 – 068 097 – 098 069 – 070 099 –...
  • Page 73: Brim Wiring Chart

    Appendix F BRIM wiring chart Appendix F BRIM wiring chart The digital BRI ISDN lines are connected to the BRIM through the RJ-45 jacks on the front of the media bay module (MBM) (see Figure 18). You can connect up to four BRI ISDN lines to the BRIM.
  • Page 74 Appendix F BRIM wiring chart Table 15 BRIM line numbering Default line numbers on Default line numbers on Port number Expansion port 1 Expansion port 2 065 – 066 095 – 096 067 – 068 097 – 098 069 – 070 099 –...
  • Page 75: G4X16 And G8X16 Wiring Charts

    Appendix G G4x16 and G8x16 wiring charts Appendix G G4x16 and G8x16 wiring charts You can connect 4 or 8 analog telephone lines and up to 16 digital telephones to the G4x16 or G8x16 media bay module (MBM). The analog telephones lines are connected to the G4x16 or G8x16 through the lower RJ-21 (amphenol) connector on the front of the MBM.
  • Page 76 Appendix G G4x16 and G8x16 wiring charts Table 16 G4x16/G8x16 MBM upper RJ-21 (amphenol) connector wiring for digital telephones (Sheet 2 of 2) Default DN on Default DN on Connection Wire color Expansion port 1 Expansion port 2 White-Green Ring Green-White White-Brown Ring...
  • Page 77 Appendix G G4x16 and G8x16 wiring charts Table 17 G4x16/G8x16 lower RJ-21 (amphenol) connector wiring for analog PSTN lines (Sheet 1 of 2) Default line numbers on Default line numbers on Line Connection Wire color Expansion port 1 Expansion port 2 White-Blue Ring Blue-White...
  • Page 78 Appendix G G4x16 and G8x16 wiring charts Table 17 G4x16/G8x16 lower RJ-21 (amphenol) connector wiring for analog PSTN lines (Sheet 2 of 2) Default line numbers on Default line numbers on Line Connection Wire color Expansion port 1 Expansion port 2 Violet-Slate —...
  • Page 79: Gatm Wiring Chart

    Appendix H GATM wiring chart Appendix H GATM wiring chart Analog telephone lines connect to the GATM4 or GATM8 through the RJ-21 connector on the front of the media bay module (MBM). See the figure GATM RJ-21 connector (page 79). Figure 20 GATM RJ-21 connector GATM RJ-21 connector...
  • Page 80 Appendix H GATM wiring chart Table 18 GATM4 RJ-21 connector wiring (Sheet 2 of 2) Default line numbers on Default line numbers on Line Connection Wire color Expansion port 1 Expansion port 2 No connection Violet-Brown — — — No connection Brown-Violet Violet-Slate —...
  • Page 81 Appendix H GATM wiring chart Table 19 GATM8 RJ-21 connector wiring (Sheet 2 of 2) Default line numbers on Default line numbers on Line Connection Wire color Expansion port 1 Expansion port 2 Black-Green Ring Green-Black Black-Brown Ring Brown-Black Black-Slate No connection —...
  • Page 82 Appendix H GATM wiring chart NN40020-309 NN40020-309...
  • Page 83 Index Numerics module 36 services and features 31 2-way DID, PRI 35 See also ISDN 3-port switch BRIM relocating IP telephones 60 default line numbers 72, 74 4x16 wiring chart 73 wiring chart 75 Business Communications Manager 7208 overview 8 (North America only) 13 7316 7406, compatible handset 13...
  • Page 84 Index hunting. See multi-line hunt 32 Software Phone, server parameters 54 insertion loss 27 default on ASM 65 insertion loss measurement 25 default on DSM16 67 installation default on DSM32 67 configuration display keys 51, 52 DSM16 IP telephone server parameters 54 default DNs 67 restart to configure 51, 52 wiring chart 67...
  • Page 85 Index capabilities 29 MCDN (Meridian Customer Defined Networking) capability packages 40 M1-IPT 45 clock source 38 media bay modules clocking 38 clock source support 38 compared to analog 29 memory button data transmission speed 32 7000 13 dialing plan 35 7100 13 hardware 36 7208 13...
  • Page 86 Index public service calls 34 7000 13 7100 13 published IP address 7208 13 IP telephones 54 7316 13 7406 13 audio conference unit (ACU) 14 relocating 59 defined 48 termination, analog port 27 Tie services 34 register trademarks 2 IP telephones 54 troubleshooting Registration Disabled 55...

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