IP Phone Release Notes 2.4.1
New Features in Release 2.4.1
New Features in Release 2.4.1
Description
This section provides a new feature in SIP IP Phone Release 2.4.1. This new feature applies to all of the Aastra IP Phones, unless specifically stated otherwise. The feature also specifies whether it affects the Administrator, the User, or both.
Feature | Description | |
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SIP Feature |
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Configurable Support for Compact SIP | Release 2.4.1 provides a new feature that allows an | |
Header | Administrator to shorten the length of a SIP packet by | |
(For Administrators) | using the compact form. This feature is in accordance | |
with Compact SIP Headers defined in RFC 3261. | ||
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User Interface Feature |
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Support for Additional Codec Types and | Release 2.4.1 includes support for a additional code | |
Codec Priority Selection | types. Now using the Aastra Web UI or the configuration | |
(For Administrators) | files, an Administrator can select from up to 14 codecs | |
for the phones AND customize a codec preference list of | ||
| up to 10 codecs. Silence suppression can still be enable | |
| or disabled as required. |
SIP Feature
Configurable Support for Compact SIP Header
Release 2.4.1 provides a new feature that allows an Administrator to shorten the length of a SIP packet by using the compact form. This feature is in accordance with Compact SIP Headers defined in RFC 3261.
For example, the following SIP header is the long format:
Via: SIP/2.0/UDP 10.50.91.2:5060;branch=z9hG4bK571ebe0c;rport=5060;received=10.50.91.2 From: "Unknown" <sip:Unknown@10.50.91.2>;tag=as19d00fc8
To: <sip:1106@10.50.110.54:5060;transport=udp>;tag=916699998
CSeq: 102 OPTIONS
4 |