I agree. This is not a SIP domain specific issue. See my previous answer pointing to the real-time application QoS monitoring (RAQMON) work in the RMON MIB WG. Regards, Dan > -----Original Message----- > From: ietf-bounces@xxxxxxxx [mailto:ietf-bounces@xxxxxxxx]On > Behalf Of Thomas Gal > Sent: 31 October, 2004 11:00 PM > To: 'Madabhushi Pramod'; > sip-implementors-requesto@xxxxxxxxxxxxxxx; > sipforum-discussion@xxxxxxxxxxx; ietf@xxxxxxxx > Subject: RE: Collecting media statistics for SIP calls? > > > I don't think that's really a SIP domain issue, though > this may have > been adressed somewhere that I'm not aware of. > If you're using RTP to carry the audio than these statistics are > derived from the RTP stream in the context of the sender > (with you being the > receiver) and the sender sends SR (Sender Report) RTCP packets with > interarrival jitter included. Packet count, fraction lost, > and cumulative > number of packets lost are also transmitted in these packets. > Latency would > probably be derived from the NTP timestamp if anything and is > not directly > addressed in RTP to my knowledge. So if you wanted this data > after the fact > the server would have to maintain that information, and it > would probably be > a query at the application level, not really anything to do with SIP. > > -Tom > > thomasgal@xxxxxxxxxxxx > > > -----Original Message----- > > From: ietf-bounces@xxxxxxxx [mailto:ietf-bounces@xxxxxxxx] On > > Behalf Of Madabhushi Pramod > > Sent: Friday, October 29, 2004 4:09 PM > > To: sip-implementors-requesto@xxxxxxxxxxxxxxx; > > sipforum-discussion@xxxxxxxxxxx; ietf@xxxxxxxx > > Subject: Collecting media statistics for SIP calls? > > > > Is there any way by which I call query a SIP endpoint for > > media statictics after call termination. I would like to know > > details like Jitter, latency, packet loss, packets received, > > packets sent etc. > > > > Thanks in advance. > > > > Pramod Madabhushi > > ShoreTel communications. > > > > ===== > > Pramod Madabhushi > > email: mpramod@xxxxxxxxxxx, > > madabhushi_p@xxxxxxxxx > > Phone:001-408-204-8077 > > > > > > > > __________________________________ > > Do you Yahoo!? > > Y! Messenger - Communicate in real time. Download now. > > http://messenger.yahoo.com > > > > _______________________________________________ > > Ietf mailing list > > Ietf@xxxxxxxx > > https://www1.ietf.org/mailman/listinfo/ietf > > > > > _______________________________________________ > Ietf mailing list > Ietf@xxxxxxxx > https://www1.ietf.org/mailman/listinfo/ietf > _______________________________________________ Ietf@xxxxxxxx https://www1.ietf.org/mailman/listinfo/ietf