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4600 Series IP Telephone Installation
42 4600 Series IP Telephone Installation Guide
Converting Software on Avaya 4600 Series IP Telephones
The 4602SW+, 4610SW, 4620SW, and 4621SW IP Telephones use either H.323 or SIP
software. These telephones come from the factory with H.323 software loaded by default. This
section describes how to convert from H.323 to SIP software, or from SIP to H.323 software.
There are several H.323 to SIP or SIP to H.323 conversion scenarios, and each scenario
depends on whether the majority of your telephones are H.323 or SIP:
● H.323-Centric - an environment where the majority of IP telephones are and will remain
running H.323 software, but some telephones will become SIP IP telephones. In an
H.323-centric environment, the 46xxH323... software bundle must reside on the HTTP
server and Communication Manager must be configured with the appropriate H.323
parameters. To convert an individual telephone from H.323 to SIP, both the SIP
Enablement Services (SES) server and Avaya Communication Manager (CM) must be
configured with the appropriate SIP parameters. Any telephone in use prior to conversion
must run Release 2.0 or greater software with a SIG parameter value of “default” (H.323).
See Table 1
, the H.323 to SIP and SIP to H.323 Conversion Chart for conversion
instructions.
● SIP-Centric - an environment where the majority of IP telephones are or will become SIP
telephones running SIP software. In a SIP-centric environment, the 46xxSIP... software
bundle must reside on the HTTP server and both SES and CM must be configured with the
appropriate SIP parameters. To convert an individual telephone from SIP to H.323, Avaya
Communication Manager (CM) must be configured with the appropriate H.323
parameters. Any telephone in use prior to conversion must run Release 2.0 or greater
software with a SIG parameter value of “default” (SIP). See Table 1
, the H.323 to SIP and
SIP to H.323 Conversion Chart for conversion instructions.
What makes an environment H.323 or SIP depends on the type of upgrade script files the
environment is running (H.323 or SIP) and the Signaling Protocol Identifier (SIG) parameter
setting. The SIG parameter has three possible values:
● Default - either H.323 or SIP, set automatically for all telephones depending on the nature
of files downloaded to the SES server or Communication Manager.
● H.323 - manually set to H.323 for a specific telephone by an installer or administrator
according to the procedures in this section.
● SIP - manually set to SIP for a specific telephone by an installer or administrator according
to the procedures in this section.