Hi, Thank you very much for the efforts so far. I don't have access to the machine, however I will see if I there is a way I can heve it delivered. Yesterday, I was reading about audio device clock issues and wondered if this could somehow be related. On the other hand, I will keep researching and if come across the cause I will provide an update. Regards Syd > Date: Fri, 29 Jan 2010 23:30:33 +0700 > From: nanang@xxxxxxxxx > To: pjsip at lists.pjsip.org > Subject: Re: Windows XP service pack 3 and outgoing RTP issues. > > Hi Syd, > > Honestly, got no clue for now. > > However, I think the symptom should also happen for other endpoint > types, not just PSTN. If so, perhaps you can try to make call to > another pjsua using L16/PCM codec (and still avoid resampling). If the > symptom was reproducible with this scenario, you probably could pin > point the problem location using debugger by doing byte-comparison > between frame being sent to recorder and 'the same' frame being sent > to stream. > > BR, > nanang > > > On Fri, Jan 29, 2010 at 7:27 PM, Syd Brearley <cherkazoo at live.co.uk> wrote: > > > > > > ________________________________ > > Date: Fri, 29 Jan 2010 14:12:06 +0700 > > From: nanang@xxxxxxxxx > > To: pjsip at lists.pjsip.org > > Subject: Re: Windows XP service pack 3 and outgoing RTP issues. > > > > Hi Syd, > > > > Looking at this simple audio flow diagram: > > --- > > aud dev 16khz/PCM -> conf bridge 16khz/PCM --> stream 8khz/PCMU (garbled) > > +-> recorder 16khz/PCM (ok) > > --- > > the audio processing differences will be resampling 16->8 (in conf_bridge) > > and (PCMU) encoding. > > So, could you test again without resampling, i.e: running pjsua with > > additional config "--clock-rate 8000" and "--snd-clock-rate 8000", and still > > using PCMU. > > BR, > > nanang > > > > > > > > Hi Nanang, > > > > Thanks for the suggestion. I am sure I have tried it before, but this > > morning requested another test using the suggested parameters. The capture > > file I have received seems to be worse because even the beginning of > > conversation seems to be garbled. If you have any other suggestions I can > > get my colleagues to make another test shortly. > > > > The sip log and rtp capture is uploaded in the same location with the name > > test_8000.zip > > > > Kind Regards > > Syd > > > > > > > > ________________________________ > > Not got a Hotmail account? Sign-up now - Free > > _______________________________________________ > > 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 _________________________________________________________________ Do you have a story that started on Hotmail? Tell us now http://clk.atdmt.com/UKM/go/195013117/direct/01/ -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.pjsip.org/pipermail/pjsip_lists.pjsip.org/attachments/20100129/5f30ed83/attachment-0001.html>
