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Re: [Linphone-users] sip.linphone.org proxy does not relay sendonly stre
From: |
Fran Alcala |
Subject: |
Re: [Linphone-users] sip.linphone.org proxy does not relay sendonly stream |
Date: |
Wed, 13 Nov 2013 15:54:09 +0100 |
Guillaume, thanks for your response.
I would appreciate is you could extend a bit what you mean.
If I set up a sendonly stream I expect the other party not to send any RTP
at all (am I wrong?). Does that (a one direction stream) disturb
sip.linphone proxy? Why?
Regards,
Fran
-----Mensaje original-----
De: Guillaume Beraudo [mailto:address@hidden
Enviado el: martes, 12 de noviembre de 2013 10:55
Para: address@hidden
Asunto: Re: [Linphone-users] sip.linphone.org proxy does not relay sendonly
stream
Hi,
It may be due to the Linphone 3.5 not sending any rtp.
You should try replacing the linphone 3.5 by a 3.6.
Cheers,
Guillaume
On Thu, Nov 07, 2013 at 01:38:46PM +0100, Fran Alcala wrote:
> Hi all,
>
>
>
> I am looking for help to solve an issue with linphone to linphone video
> calls using sip.linphone.org as proxy.
>
>
>
> The setup is as follows:
>
> On one side, a device running Linphone 3.3.2 on Linux ('local' from now
on).
> It captures and sends video but does not display video. Audio is full
> duplex.
>
> On the other side, a device running Linphone 3.5 on Linux ('remote' from
now
> on). It can capture video, but I don't want it to send the video stream
> (since the other side cannot display it).
>
>
>
> During negotiation 'local' sends an INVITE with a SDP that includes
> a=sendonly for the video stream.
>
> This is relayed by proxy to 'remote'. Proxy changes port numbers to its
own
> ports and keeps a=sendonly. So far so good.
>
>
>
> Remote responds with an OK with SDP. There I can see a=recvonly for the
> video stream.
>
> This OK is relayed to local, again Proxy changes port numbers and keeps a=
> recvonly. So negotiation looks ok.
>
>
>
> Once communication starts, local device starts sending video RTP to the
port
> number indicated by proxy to local in the 'OK with SDP' message.
>
> But this rtp video stream is not reaching 'remote'. Wireshark sees no
trace
> of that video stream coming from proxy.
>
>
>
> As one would expect, 'remote' is not sending any video stream, as required
> by sendonly attribute.
>
> And audio stream, that is sendrecv (default), is relayed in both
directions
> by proxy without any problem.
>
>
>
> Anybody could help me on this?
>
>
>
> Thanks a lot.
>
>
>
>
>
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