i'm running pjsip on debian etch OS... Okay so I think there is no problems... I have prefer to asks questions to be sure! I'm student and in a training course so I am not sure! Thanks! 2008/5/19 Benny Prijono <bennylp at pjsip.org>: > On Mon, May 19, 2008 at 8:18 AM, antoine duclaud > <antoine.duclaud at gmail.com> wrote: > > For high, I have for example a rtt up to 1000 ms and jitter up to 7ms... > > sometimes more... I think it's just a peak at the beginning but i'm not > > sure. > > > > Okay. But 7 ms is not bad IMO, considering that we're running siprtp > on general purpose OS and not a real-time one (we use > pj_thread_sleep() for scheduling packet). Also the RTCP will ignore > the first 25 RTP packets (25 is controllable via > PJMEDIA_RTCP_IGNORE_FIRST_PACKETS setting) on jitter calculation. > > Not sure about the RTT value. But check if you have "clock skew > detected" message in the log. When this happens it will screw up the > RTT calculation. What OS are you running siprtp on? The clock skew > happens a lot on Windows, but if I recall correctly it doesn't happen > on Linux. > > > I have some packets in reorder too for the RX stats. > > > > Okay. It's good then at least siprtp is able to report them. :) > > Cheers > Benny > > > > Thanks! > > Antoine > > > > 2008/5/16 Benny Prijono <bennylp at pjsip.org>: > >> > >> On Fri, May 16, 2008 at 2:12 PM, antoine duclaud > >> <antoine.duclaud at gmail.com> wrote: > >> > Hello! > >> > > >> > I use siprtp for test a liaison between two sites, and I have see that > >> > for > >> > the TX results, I have a lot of percent loss, 99% at the beginning of > >> > the > >> > test... > >> > > >> > >> Okay. > >> > >> > But the results of RTT and Jitter are high too. How the results of RTT > >> > and > >> > jitter can be calculated if there are all packet losts? > >> > > >> > >> Jitter is only calculated when the sequence numbers of the subsequent > >> RTP packets are adjacent, so packet lost should not affect the > >> calculation. And RTT shouldn't get affected by packet lost either, as > >> all the information is conceived in one RTCP RR packet. > >> > >> How high is high? (what's the value reported by siprtp?) > >> > >> Cheers > >> Benny > >> > >> > >> > >> > > >> > Is it a problem in the siprtp or it's my liaison that causes that.?? > >> > > >> > Thanks!! > >> > > >> > _______________________________________________ > >> > Visit our blog: http://blog.pjsip.org > >> > > >> > pjsip mailing list > >> > pjsip at lists.pjsip.org > >> > http://lists.pjsip.org/mailman/listinfo/pjsip_lists.pjsip.org > >> > > >> > > >> > >> _______________________________________________ > >> Visit our blog: http://blog.pjsip.org > >> > >> pjsip mailing list > >> pjsip at lists.pjsip.org > >> http://lists.pjsip.org/mailman/listinfo/pjsip_lists.pjsip.org > > > > > > _______________________________________________ > > Visit our blog: http://blog.pjsip.org > > > > pjsip mailing list > > pjsip at lists.pjsip.org > > http://lists.pjsip.org/mailman/listinfo/pjsip_lists.pjsip.org > > > > > > _______________________________________________ > Visit our blog: http://blog.pjsip.org > > pjsip mailing list > pjsip at lists.pjsip.org > http://lists.pjsip.org/mailman/listinfo/pjsip_lists.pjsip.org > -------------- next part -------------- An HTML attachment was scrubbed... URL: http://lists.pjsip.org/pipermail/pjsip_lists.pjsip.org/attachments/20080519/f255fb21/attachment.html
