Ok thanks for your responses,
There is indeed an RTP proxy within the sip proxy... and it works as you
described above.


2013/7/17 Paul Kyzivat <[email protected]>

> As others have noted, for this to happen the "proxy" (proxies?) needs to
> modify the SDP to cause this to happen. If it does this it has violated
> the rules for a proxy. Devices that do this are typically called Session
> Border Controllers. It is very common. There are both advantages and
> disadvantages to doing this.
>
>         Thanks,
>         Paul
>
> On 7/17/13 5:29 AM, ikuzar RABE wrote:
> > Hi all,
> >
> > I saw a RTP flow which is not directly established between UAC and UAS
> but
> > goes through a SIP proxy ...
> >
> > Is there any information in SIP message exchange producing this
> situation ?
> >
> > Thanks for your help,
> >
> > ikuzar
> > _______________________________________________
> > Sip-implementors mailing list
> > [email protected]
> > https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors
> >
>
> _______________________________________________
> Sip-implementors mailing list
> [email protected]
> https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors
>
_______________________________________________
Sip-implementors mailing list
[email protected]
https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors

Reply via email to