[asterisk-users] Randomly half-voice at sip/zap

[Tzafrir Cohen]

On Tue, Sep 18, 2007 at 10:20:14AM +0200, Péter Tóth wrote:
> Hi!
> 
> I have a very strange question. I'm using trixbox with Asterisk
> 1.2.23-BRIstuffed-0.3.0-PRE-1y-j.
> 
> I configured and installed the HFC ISDN card with a script, as here:
> 
> http://www.trixbox.org/forums/trixbox-forums/help/how-install-hfc-card-trixbox
> 
> Now i have 6 SIP hardphone, and softphone, using 1 SIP trunk to call
> out the world, and 1 ZAP ISDN trunk to receive calls from the world.
> The incoming route directed to a ring group.
> 
> Sometimes the incoming calls - from pstn - are not, the caller do not
> hear any voice from us. When i call out on the sip line, it happens
> indirectly, so i can't hear nothing from the other side, especially
> when i call my sip telco provider. (10 try, 2 wrong) If they're
> calling me, everything is ok!

Is the call a direct call?

Can you hear / see the audio in ztmonitor?

The next step would probably be to enable 'bri debug span 1'

and get traces from a good call and from a bad call.

-- 
               Tzafrir Cohen       
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