You'll need to use proxy media to pass NSE across a bridge: http://wiki.freeswitch.org/wiki/Proxy_Media Please keep in mind there are several advantages and disadvantages to using this media mode. On Fri, May 20, 2011 at 2:54 PM, Sean Eichhorn <seichhorn@gci.com> wrote:
I have a freeswitch system that (for the most part) works flawlessly for me. However, I need to have an additional rtpmap line in the SDP when a call is answered.
My client sends the following SDP upon answering the call :
m=audio 17214 RTP/AVP 0 19 101 100
c=IN IP4 192.168.98.79
a=rtpmap:0 PCMU/8000
a=rtpmap:19 CN/8000
a=rtpmap:101 telephone-event/8000
a=fmtp:101 0-16
a=rtpmap:100 X-NSE/8000
a=fmtp:100 192-194
Freeswitch forwards the following SDP to the external gateway :
m=audio 20654 RTP/AVP 0 19 101
c=IN IP4 66.223.187.208
a=rtpmap:0 PCMU/8000
a=rtpmap:19 CN/8000
a=rtpmap:101 telephone-event/8000
a=fmtp:101 0-16
The other information appears fine. Everything works, but my client-side is not receiving the a=rtpmap:100 line.
This issue appears regardless of whether or not I’m in proxy mode, bypass mode, or neither.
Using "sip_append_audio_sdp” has no effect on the answering SDP, only the initial offer.
Any ideas?
Thanks in advance,
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