Changing The Phone Directory Database - Multitech MultiVOIP 100 MVP110 User Manual

Voice/fax over ip networks h.323 mode

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Chapter 4 - MultiVOIP Software

Changing the Phone Directory Database

The MultiVOIP provides two phone directory database architectures; the propreitary database and a

database using an H.323 protocol gatekeeper that provides a centralized call control center. The

proprietary database can only be used when all the end points in the VOIP network are Multi-Tech

VOIP products. The gatekeeper centralized call control center contains the phone directory database

when all VOIP gateways and endpoints support the H.323 protocol. The proprietary database is

based on a master and slave relationship in which the master VOIP maintains the phone directory

database and distributes it to its slave VOIPs. The centralized call center handles call control, call

routing, address translation from LAN aliases to IP addresses, and bandwidth management. The

H.323 protocol allows other third party gateways and end points that support the H.323 protocol

standards to participate in the VOIP network (e.g., Microsoft NetMetting

The database displays the phone numbers in numerical order with destination details (IP Address or

H323 ID), channel assignment, and a brief description of the entry. The method for changing the

phone directory database is dependent on whether the Gatekeeper option or the Proprietary

Phonebook option is enabled.

If the GateKeeper option is enabled, the RAS Parameters group is enabled and the IP address of the

GateKeeper needs to be enterred in the IP Address window. The Port Number is the port on the

GateKeeper which it communicates with its endpoints. The Q.931 Parameters group is enabled in

both the GateKeeper and Proprietary Phone Book Database architectures. The Use Fast Start

option is used when the VOIP network supports Fast Start capability.

In the GateKeeper phone directory database, the phone directory database is developed through the

Add/Edit Phone Entry dialog box. The Add/Edit Phone Entry dialog box defines the Station

Information, phone number and voice channel of the unit, and station identification, H323 ID which

defines the LAN alias and the IP address of the local unit. In the GateKeeper phone directory

database, only the phone entries of the local unit display.

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