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<tt>Hi Pete,<br>
<br>
I assume you do rtpproxy_answer() for the 200 OK on B leg, right ?
<br>
<br>
Best regards,<br>
</tt>
<pre class="moz-signature" cols="72">Bogdan-Andrei Iancu
OpenSIPS Founder and Developer
<a class="moz-txt-link-freetext" href="http://www.opensips-solutions.com">http://www.opensips-solutions.com</a></pre>
<div class="moz-cite-prefix">On 23.09.2015 11:44, Pete Kelly wrote:<br>
</div>
<blockquote
cite="mid:CAEWH9M-sfcGGQL1T6y4k=cQ4dPa-US=W+2PikSO1dt_zx_Ad4Q@mail.gmail.com"
type="cite">
<div dir="ltr">I am using rtpproxy with parallel fork and noticed
some interesting behaviour (by rtpproxy).
<div><br>
</div>
<div>If the INVITE is forked to 2 destinations (A and B), one of
them (A) may send a 183 with media, meaning there is media
being sent to the rtpproxy.</div>
<div><br>
</div>
<div>However if it is B that answers, rtpproxy will still only
be set up to send and receive media to A, and will continue to
do so which means there is no media on the call.</div>
<div><br>
</div>
<div>Reading the rtpproxy docs I think it is because of this:</div>
<div><br>
</div>
"After the session has been created, the proxy listens on the
port it has allocated for that session and waits for receiving
at least one UDP packet from each of two parties participating
in the call. Once such packet is received, the proxy fills one
of two ip:port structures associated with each call with source
ip:port of that packet"
<div><br>
</div>
<div>Is there a known way round this issue, other than stopping
A from sending media to rtpproxy or using late offer INVITEs?</div>
</div>
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</blockquote>
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