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Summary:ASTERISK-24313: Asterisk is not supporting "a=extmap" SDP attribute
Reporter:Ajay Choudary (AjayG)Labels:
Date Opened:2014-09-09 08:44:58Date Closed:2014-09-09 08:49:32
Priority:MajorRegression?
Status:Closed/CompleteComponents:Channels/chan_sip/SRTP
Versions:11.12.0 Frequency of
Occurrence
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Issues:
Environment:Attachments:
Description:Asterisk is not processing "a=extmap" header received from WebRTC clients like SIPml5.
Some times we are getting voice issues with chrome when routing RTP between chrome to chrome via asterisk Gateway.

a=mid:audio
a=extmap:1 urn:ietf:params:rtp-hdrext:ssrc-audio-level
a=extmap:3 http://www.webrtc.org/experiments/rtp-hdrext/abs-send-time
as per the RFC
https://tools.ietf.org/html/draft-alvestrand-rmcat-remb-03

and WebRTC Documentation
http://www.webrtc.org/experiments/rtp-hdrext/abs-send-time
Comments:By: Matt Jordan (mjordan) 2014-09-09 08:49:21.784-0500

Features requests are no longer submitted to or accepted through the issue tracker. Features requests are openly discussed on the mailing lists [1] and Asterisk IRC channels and made note of by Bug Marshals.

[1] http://www.asterisk.org/support/mailing-lists