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Re: [Ccrtp-devel] Retrieving RTCP receiver info

From: Federico Montesino Pouzols
Subject: Re: [Ccrtp-devel] Retrieving RTCP receiver info
Date: Mon, 12 Dec 2005 14:42:16 +0100
User-agent: Mutt/1.5.11

I guess it right what you are trying to get is the info in RR packets
received at the responders?

On Thu, Dec 01, 2005 at 12:37:07PM +0100, Gianluca Martiniello wrote:
> Hi all,
> I'm using ccRTP support for RTCP to implement a QoS monitoring tool at
> application layer.
> This monitoring tool is a fairly simple application which sequentially
> establishes RTP audio session (using SIP) with preconfigured automatic
> responders.
> During a session my application sends and receives PCMU-coded audio
> samples to the automatic responder with which the session has been
> established. Moreover, thanks to the RTCP support provided by ccRTP :-),
> my application automatically sends and receives RTCP sender/receiver
> reports and using onGotSR and onGotRR I am able to track the reception
> of SR and RR packets. Then, manipulating the information incapsulated
> inside RRs I am able to estimate various QoS parameters (jitter and loss
> for instance) which give me an indication of the QoS that would be
> perceived by the other side if the other side were a human interlocutor
> (actually it is just an automatic responder! ;-) ).
> Now I am wondering if there is a simple way to track the transmission of
> RRs by my application because I am interested in estimating the same QoS
> parameters in order to have an indication of the QoS perceived by my
> application as if it were a human person (actually it is just a simple
> application! :-) ).
> Do you have any idea? I don't know if I have been clear enough in
> exposing my problem, in case I'll try to expose it better with practical
> examples! :-D
> Thanks for help.
> Gianluca
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