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New Features in Release 2.4.1
RN-001029-03, Release 2.4.1, Rev 01 5
SIP IP Phone Models 9143i, 9480i, 9480i CT, and 675xi Series Phones Release Note 2.4.1
The following SIP header is equivalent to the above SIP header, but uses the short (compact)
format instead:
v: SIP/2.0/UDP
10.50.91.2:5060;branch=z9hG4bK571ebe0c;rport=5060;received=10.50.91.2
f: "Unknown" <sip:Unknown@10.50.91.2>;tag=as19d00fc8
t: <sip:1106@10.50.110.54:5060;transport=udp>;tag=916699998
i: 73cad5456806f3a7768d17e8617279d7@10.50.91.2
CSeq: 102 OPTIONS
By default, the IP Phones use the long format. However, an Administrator can provision the short
(compact) format using the configuration files. The Aastra Web UI does not support this
configuration feature.
Enabling/Disabling the Compact SIP Headers Feature
To enable/disable compact sip headers use the following configuration parameter:
• sip compact headers
Parameter –
sip compact headers
Configuration Files aastra.cfg, <mac>.cfg
Description Enables or disables the IP phones to use compact SIP headers in the
SIP packets sent from the phone.
Format Boolean
Default Value 0 (disabled- uses long SIP header format)
Range 0 (disabled- uses long SIP header format)
1 (enabled- uses short (compact) SIP header format)
Example sip compact headers: 1