I'm running SIPp on both Windows (using pre-built binaries) and Linux
(64 bit CentOS system, built from source).  I have a scenario where I'm
sending audio and video media from my SIPp scenario to a video
conferencing system.

The scenario works fine under Windows, but I was wondering why the audio
and video aren't played when I run the scenario under Linux.  Using
Wireshark, I found that SIPp is not sending the audio and video RTP
packets to the port numbers specified in the SDP.  Instead, it appears
to be truncating those numbers.

In the 200 OK message from the UAC, the SDP says to use port 49160 for
audio media and port 49170 for video media.  However, the actual RTP
packets are being sent to ports 4916 and 4917, according to Wireshark.

Has anyone seen this, and do you have a workaround or patch for it?


Thanks,
Todd.
----
Todd Bradley - Polycom, Inc.
DMA 7000 QA Lead

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