[Asterisk-Users] HELP: One way audio... continuously and randomly

[Vasyl Rublyov]

:( Just getting silence.... Is this mailing list alive at all?


Vasyl Rublyov wrote:

> All,
>
> I seen already threads about one way audio... but never seen anyone 
> answered completely on it.
>
> There is a problem, what we are getting, even with stable-1, CVS 
> updates in May, June as well as last Saturday (Jul 10, 2004)
> [T1/PRI PSTN] <==> [Lucent Legend PBX] <==> [T1/PRI] <==> [T100P 
> Asterisk IAX2] <==> [T1 Internet (ISP Verizon => QWest) connected thru 
> T100P interfaces (before it was NetOpia T1 router but the same problem 
> existed)] <===> [ADSL Internet (ISP: UTEL/Ukraine)] <===> [IAX2: 
> Asterisk with TDM400 cards] <===> [Analog phones & SIP phones (Cisco 
> 79xx & Polycom IP500]
>
>
> Calling from here and thru [T1/PRI PSTN] to final phones, analog or 
> just sip phones, keep dropping calls, but __ALMOST ALWAYS__ called 
> party does not hear when calling party hear well.
>
> We tried different settings for IAX - with and without trunking.
> I see the traffic goes both ways and counters on the trunks/channels 
> are increasing even when no audio in the phone.
>
> Digium G729 codec is in used, the same problem was exiting when tested 
> with iLBC & GSM codecs, but sounds like DID NOT exist with G711 codec 
> (ULAW)
>
>
> PLEASE HELP!!!! At least where should I start look?
>
> Thank you in advice
> Vasyl
>
>
>
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-- 
Thanks and regards,
  Vasyl Rublyov