[asterisk-users] TDM400P periodic sound clicks on FXS

[Costa Tsaousis]

Matthew Fredrickson wrote:
> Costa Tsaousis wrote:
>   
>> Hi,
>>
>> I am having periodic sound clicks (2-3 per second) on all FXS of a 
>> TDM400P when the remote end is my VoIP provider. However:
>>
>> - recording the conversation on the asterisk, does not have the 
>> glitches, although I can hear them on a real phone.
>> - My VoIP provider to my VoIP phones through the same asterisk is OK.
>> - TDM to TDM through the same asterisk is OK.
>>     
>
> If TDM to TDM is ok, then it would strongly point towards a problem with 
> perhaps the VoIP provider.  This is just shooting off of my hip, but 
> maybe a jitterbuffer issue, like with the phones?  I think when Asterisk 
> bridges SIP->SIP calls, it doesn't do any jitter buffering.
>   
If it is a jitterbuffer, then why the recordings (of the same calls I 
hear the clicks, not other calls) do not have them?

Also, I believe it cannot be an issue of the provider since all ATAs I 
tested do not have the issue (same provider, same account).


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