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I see. I did not understand your use case. You are talking about the _source_ port. I am not familiar with any SDP attribute that specifies the source port as you are suggesting, nor can I think of any use case where one would care. What are you trying to do? From: pjsip <pjsip-bounces@xxxxxxxxxxxxxxx> on behalf of mscdexdotexe <mscdex@xxxxxxxxxx>
Sent: 30 March 2018 21:19:15 To: pjsip list Subject: Re: Getting notified on RTP/RTCP address changes Hello Marcel,
PJSIP automatically adjusts these addresses if it detects a different source address and/or port. This can be disabled with the PJMEDIA_UDP_NO_SRC_ADDR_CHECKING flag, but some SIP clients will use a dummy port in the SDP and then transmit from a different
port, so disabling PJSIP's automatic switching behavior is not useful/helpful. There is also nothing I can do about the SIP clients in question, so it would be nice if there was a way to subscribe to these source address/port changes so I can update my application
appropriately.
On Thu, Mar 29, 2018 at 10:46 AM, Landman, Marcel (Comms & Control Solutions)
<Marcel.Landman@xxxxxxxxxxxx> wrote:
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