[asterisk-bugs] [JIRA] (ASTERISK-24313) Asterisk is not supporting "a=extmap" SDP attribute

[Ajay Choudary (JIRA)]

Ajay Choudary created ASTERISK-24313:
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             Summary: Asterisk is not supporting "a=extmap" SDP attribute 
                 Key: ASTERISK-24313
                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-24313
             Project: Asterisk
          Issue Type: New Feature
      Security Level: None
          Components: Channels/chan_sip/SRTP
    Affects Versions: 11.12.0
            Reporter: Ajay Choudary


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



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