[Bug 28123] sofiasip and sip.halonet.pl = available status but I cannot call to any phone/mobile.

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=28123

Mikhail Zabaluev <mikhail.zabaluev at nokia.com> changed:

           What    |Removed                     |Added
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             Status|NEW                         |ASSIGNED

--- Comment #5 from Mikhail Zabaluev <mikhail.zabaluev at nokia.com> 2010-05-17 05:58:10 PDT ---
(In reply to comment #4)
> Created an attachment (id=35704)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=35704)
> sofiasip-sip.halonet.pl.zip
> 
> Wireshark packets, sofia and empathy logs with 'TPORT_LOG=1' command.

Oddly, there were still no transport logs in the output.
But thanks to the capture, I know the cause: the choice of codecs installed and
available for Farsight (i.e. not explicitly disabled), together with
authentication data, makes the packet size impractically big. This makes
Sofia-SIP try to switch to TCP if the transport is not specified explicitly
(the SIP protocol is a bit idealistic here), and this fails because the proxy
does not support TCP connections.
Try to set transport explicitly to UDP and see if it helps. Note that you may
still get some failures, because oversized UDP packets have higher chance of
getting lost.

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