Windows XP service pack 3 and outgoing RTP issues.

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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


 		 	   		  
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