On 11/26/2013 02:26 PM, Sergio Muñoz wrote:
Hello,
In my case it would be, device “A” makes a SIP call, Asterisk receives
and modifies the SDP, then Asterisk sends the audio (RTP) to device
“B” and the video (RTP) to device “C”.
Can Asterisk modify the SDP? ... how?
Thanks!
Asterisk does not provide a facility to directly rewrite the SDP, not at
the level you describe. The best option you have, without changing the C
code of course, is to use the "media_address" option in sip.conf. This
way, you could have a scenario like so:
Device A makes a SIP call to Asterisk. Asterisk sends the audio and
video to server B (as specified by the media_address option). Server B
runs a program that redirects the audio to device C and the video to
device D. Note that Asterisk and server B could presumably be the same
server, if you chose.
Mark Michelson
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