[OpenSIPS-Users] RTP and RTCP

David Villasmil david.villasmil.work at gmail.com
Sat Aug 9 14:16:32 CEST 2008

Yeah, that's exactly what I don't want. The idea is not to proxy media, let
media flow between the UACs, but proxy the RTCP...


On Sat, Aug 9, 2008 at 2:12 PM, Adam Linford <adam.linford at oralnet.co.uk>wrote:

> rtcp is sent to the exact same destination as the RTP, afaik, so if you
> proxy media in your calls, you could get ahold of those packets.
> Cheers,
> Adam
> On 9 Aug 2008, at 12:46, David Villasmil wrote:
>  Got an easy question:
>>     RTCP packet are send to monitor media QoS, this much I know. ;) My
>> question is this: Are RTCP packets sent directly between end points? Or can
>> they be routed using a thrid party? For instance, Lets say 1 UAC makes a
>> call through SIP Server A, and UAC 2 ansers the call, RTP packets are sent
>> from UAC <--> UAC directly, but can they be instructed to send RTCP packets
>> via SIP Server A? I obviously haven't read the RFC, but if this could be
>> done, we would have a way of knowing whether the call is still up or not,
>> hence perfect accounting even if we don't receive the BYE from the UACs.
>> thanks
>> david
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