Can you paste here the SDP you have used in your scenario file? And does the Cisco thing send an SDP offer in its INVITE or does it expect one from the UAS?
Pavel
Hello,
I’m trying to set a SIPp UAS in order to answer SIP calls from a Cisco Callbridge and replicate both video and audio.
It works for audio but not for Video
Sipp is launched with
./sipp –sn uas –rtp_echo –mp 32768
From what I can see with tcpdump during a call :
-I Well see a rtp flow on UDP 32768 but I also see callbridge initiating UDP packets to 32769. SIPP server answer with an port unreachable icmp packet. I assume 32769 is RTCP and not necessarily implemented on Sipp. So 32768 UDP should embed both video and audio or video capability is not advertised to the Callbridge.
Is there a configuration to be done on SIPp UAS in order to echo both audio and video flows ?
Thanks much for your help.
Regards
Morgan
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