[asterisk-dev] [Code Review] 4346: Use SIPS Contact headers as prescribed by RFC 3261 (chan_sip)

[Mark Michelson]

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(Updated Jan. 15, 2015, 8:07 p.m.)


Review request for Asterisk Developers.


Bugs: ASTERISK-24646
    https://issues.asterisk.org/jira/browse/ASTERISK-24646


Repository: Asterisk


Description
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Please see the description on /r/4345 for a description of the interoperability problem.

This patch is the chan_sip version of the patch. The chan_sip patch is a bit more weird since creation of Contact headers is not divided into dialog vs. non-dialog situations. For this patch, I have expanded the build_contact() function to base the scheme of the Contact header based on the rules of RFC 3261 sections 8.1.1.8 and 12.1.1. To do this, I have added two parameters so that it is clear whether the Contact header is being created due to a response to an incoming request or if the Contact is being added to a created outgoing request.


Diffs
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  /branches/11/channels/chan_sip.c 428405 

Diff: https://reviewboard.asterisk.org/r/4346/diff/


Testing
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This patch has been tested by the reporter of ASTERISK-24646 and has been confirmed to solve the interop issue.


Thanks,

Mark Michelson

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