[SR-Users] RTPProxy issue?

[Maxim Sobolev]

Hi Igor, that's bit strange, since the rtpproxy is not checking any of the
rtp flags including marker bit. It would help if you can post a tcpdump
capture of the streams in question along with the log output of the
rtpproxy running at the "dbug" level. Thanks!
On Mar 5, 2015 5:54 AM, "Igor Potjevlesch" <igor.potjevlesch at gmail.com>
wrote:

> I reviewed again a call trace and I can be more precise: a RTP packet
> comes with a new SSRC and the Marker bit set to "True". This packet is
> properly forwarded.
>
>
>
> Then, just after this packet, another RTP packet containing a new SSRC
> with the huge timestamp and the Marker bit set to "True" is coming from the
> UA.
>
> The RTPProxy stops forward since this packet.
>
>
>
> Regards,
>
>
>
> Igor.
>
>
>
> *De :* Igor Potjevlesch [mailto:igor.potjevlesch at gmail.com]
> *Envoyé :* jeudi 5 mars 2015 11:34
> *À :* miconda at gmail.com; 'Kamailio (SER) - Users Mailing List'
> *Objet :* RE: [SR-Users] RTPProxy issue?
>
>
>
> Hello,
>
>
>
> Thank you.
>
>
>
> Just to let you know, the RTPProxy is running in bridging mode.
>
> Regards,
>
>
>
> Igor.
>
>
>
> *De :* sr-users [mailto:sr-users-bounces at lists.sip-router.org
> <sr-users-bounces at lists.sip-router.org>] *De la part de*
> Daniel-Constantin Mierla
> *Envoyé :* jeudi 5 mars 2015 09:33
> *À :* Kamailio (SER) - Users Mailing List
> *Objet :* Re: [SR-Users] RTPProxy issue?
>
>
>
> Hello,
>
> maybe Maxim (cc-ed) will be able to provide more insights.
>
> Cheers,
> DAniel
>
> On 04/03/15 16:59, Igor Potjevlesch wrote:
>
> Hello,
>
>
>
> I discovered an issue related to the handling of "timestamp" and/or
> "Marker bit" with rtpproxy (I use the latest Extension 20081224).
>
>
>
> The call-flow is the following: one UA places a call to A and put this
> call on hold. Then, the same UA call another number B. Individual streams
> are ok.
>
> When the UA tries to transfer A with B, the RTPProxy receive a RTP packet
> with a huge timestamp and the Marker bit set to "True".
>
>
>
> Just after this RTP packet, RTPProxy stop forward the RTP packets from A
> to B. B to C is still working.
>
>
>
> Anyone have an idea?
>
> Regards,
>
>
>
> Igor.
>
>
>
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>
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>
>
> --
>
> Daniel-Constantin Mierla
>
> http://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda
>
> Kamailio World Conference, May 27-29, 2015
>
> Berlin, Germany - http://www.kamailioworld.com
>
>
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