[SIPForum-discussion] Gateway disconnects while using G729
Andrea Puddu
androjoker at hotmail.com
Thu May 8 13:46:48 UTC 2008
As per RFC
3264 :
« The interpretation of
fmtp parameters in an offer depends on the
parameters. In many
cases, those parameters describe specific
configurations of
the media format, and should therefore be processed
as the media format
value itself would be. This means that the same
fmtp parameters with
the same values MUST be present in the answer if
the media format
they describe is present in the answer. Other fmtp
parameters are more
like parameters, for which it is perfectly
acceptable for each
agent to use different values. In that case, the
answer MAY contain
fmtp parameters, and those MAY have the same
values as those in
the offer, or they MAY be different. »
Andrea
To: discussion at sipforum.org
From: ganeshk.r at tcs.com
Date: Thu, 8 May 2008 18:43:01 +0530
Subject: [SIPForum-discussion] Gateway disconnects while using G729
Hi,
A VoIP phone sends invite with sdp G729
with annexb=no
My useragent responds with 200 OK with
annexb=yes
But gateway disconnects the call on
seeing my response with annexb=yes.
Can anyone tell me what is the RFC for
SDP offer/answer for G.729 or any other source regarding this.
Regards
Ganeshkumar R
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