Thanks for the info;
Perhaps I can run that version in a lab just to see it work;
I thought maybe there is a proxy mode that sends the SDP as it is; this
way maybe it has a chance of working correctly?
Thanks.
On 12/27/10 6:12 PM, Gunnar Hellström wrote:
You are right, there are a lot of shortcomings in SDP-handling in all
trunks, branches and releases of Asterisk.
There was once a branch called Videocaps, with the ambition to get
fully working sdp-handling of video in Asterisk. Including relation
of sdp on both sides of a call as you ask for.
It worked fine for its purposes, but is now outdated because it was
not fully integrated in any Asterisk trunk.
You can read about the history in
http://www.voip-info.org/wiki/view/Asterisk+video
The result is what you describe. Inconsistent SDP handling, with
parameters, m-lines etc appearing without real reason and correlation
between the legs of a session.
One apparent problem is when you have calls without audio. That case
really need a thorough revision.
Sorry for not offering a solution, other than going back to the
Videocaps branch and losing a lot of other good improvements in Asterisk.
/Gunnar
David J. skrev 2010-12-27 23:47:
I am having a problem with a Cisco phone and Video Support.
It seems the SDP does not get parsed correctly; Perhaps there is a
pass through mode in Asterisk for the SDP to get passed as is? Sort
of like proxy mode.
I tried a few scenarios; But without much success.
Thanks in advance for any guidance.
David.
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