We had the same problem
I found it useful to turn down the rxgain and txgain to -14 on those channels
and make the T1 card the master clock source
zaptel.conf
span=1,1,0,esf,b8zs
#for the T100P
--- Note the 1 instead of 2 for the second parameter.
span=1,1,0,esf,b8zs
# For the T100P
Steven Critchfield <[EMAIL PROTECTED]> wrote:
On Fri, 2003-09-26 at 15:09, Jon Hopper wrote:
> Hello,
>
> We're using asterisk with a z-plex 10 and a Zap tormentia card at a non-profit home for the aged.
>
> Sometimes when we dial out, our numbers are misintepreted with one number being detected twice. For instance 337-4411 becomes 337-7441 7's 4's and 0's seem to be particularly prone to this issue.
>
> Any ideas? I've tried turning down rxgain and txgain.
>
> A little debugging info:
>
> # uname -a
> Linux pbx 2.4.18 #1 Mon Aug 25 14:27:34 EDT 2003 i686 unknown
> Debian system
> 1.2Ghz Athalon Thunderbird
> Asterisk CVS-08/25/03-14:35:09, Copyright (C) 1999-2001 Linux Support Services, Inc.
Do you hear a little static during the dialtone? Do you sometimes hear
extra noise as you add on more active channels? If so i t has to do with
timing problems and slips. Asterisk will detect a DTMF then a static pop
will signal the end of the DTMF, then asterisk hears the DTMF again.
--
Steven Critchfield <[EMAIL PROTECTED]>
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