[Asterisk-Users] Dial-out and Dial-in modem problems.

[Steven Critchfield]

On Mon, 2004-02-09 at 14:42, Bisker, Scott (7805) wrote:
> Has anyone experienced problems with dialup through asterisk.  I'm
> having some varied success with dial-in and dial-out.
> 
> All my analog extensions are connected to * via Adtran 750 FXS
> channelbanks using FXO_KS signalling.  I have a longdistance T-1
> (e&m_w) from sprint and a local T-1 PRI from Verizon.  
> 
> I'm running Asterisk 0.7.1, Zaptel 0.8.0, and libpri 0.5.1.
> 
> The problem that I'm seeing is that active modem connections (in or
> out) are hanging up randomly.  I have busydetect=yes and busycount=6
> on all my non-PRI zap channels.  I have echocancel=128 and
> echocancelwhenbridged=yes on all of my zap channels.  

Turn off busydetect for true T1s. You are getting the signalling
digitally and don't need to discern it from the tones. The echo settings
shouldn't matter for modems as the echo canceler should get knoced off
when the modem connects.

-- 
Steven Critchfield  <critch at basesys.com>