[Asterisk-Users] Help with IAX , voice Distortion or Breakage.

[Alexey Ostrovsky]

Steven Critchfield wrote:

>On Mon, 2004-05-24 at 08:27, Alexey Ostrovsky wrote:
>  
>
>>Hello all,
>>
>>We have the following problem:
>> 
>>When calling via iax, the sound is off after a while - most often after 
>>about 5 minutes (sometimes later or earlier) - at one end or at both 
>>ends. While the channel is up, and packages are still being transmitted, 
>>you just can't hear anything. Sometimes you can hear something just a 
>>little, but with the voice greatly distorted, sounding like a robot's 
>>voice.
>>This problem emerges whichever phone is called or whichever phone a call 
>>is made from (softphone, ipphone, local phones thru TDM cards)
>>
>>System details:
>>
>>- Linux Slackware 9.1 kernel 2.4.6
>>- CPU PIII 800
>>- RAM  500 Mb
>>    
>>
>
>A sysadmin that is so inaccurate as to say 500Mb instead of the obvious
>512 Mb?
>
>  
>
I think  there is no differents  for my problem.
Thank you a  lot.

>>- motherboard Asus TUSL-2c
>>- hard drive IDE
>>
>>- Asterisk last cvs update
>>- 3 TDM400 cards 
>>- codec g729 voiceage
>>
>>Help please.
>>May be somebody have same problem.
>>    
>>
>
>Can you verify you are using g729. Also what kind of network are you
>doing the IAX call over? What else is on the network at the time of the
>call.
>
>Most of what you say sounds a lot like you are running short of
>bandwidth. Sounds like the classic problem of running out of the
>buffered content and decoding what you have when you get it. 
>
>  
>
Yes of course  I am  using   g729b  codec.
I have  SHDSL  line  with 128 bit/c bandwidth.
Nothing else  on the network in testing time.

-- 
Best regards,
	Alexey Ostrovsky
	Sysadmin
	Ionidea UA