[Asterisk-Users] Multi-line TTS Outbound Dialer

[Steven Critchfield]

On Fri, 2003-11-28 at 00:42, Carl Youngblood wrote:
> >>Or maybe noise would have to last for more than a certain period of time 
> >>before it triggered another waiting sequence.  Like, say, if noise lasts 
> >>for longer than 2 full seconds or something.
> >>    
> >>
> >
> >That may be fine. Although you may have trouble with some line that also
> >is feeding back echo. That would cause you a bad loop. Like I said, you
> >may wish to limit the number of restarts just in case you end up
> >misdialing a system that is just repeating it's menu. 
> >  
> >
> Thanks for the help.  All of these telephony issues are fairly new to 
> me.  So just for me to understand better, echo is basically something 
> that is difficult to control, right?  I mean, if a telco's line has 
> echo, asterisk can't do anything about that, right?

While asterisk can do some things about echo, and you have less of a
chance of experiencing it if you are on digital lines. Echo can happen
that is too much for asterisk to handle. I'm just trying to help you be
prepared for what may happen.    
-- 
Steven Critchfield <critch at basesys.com>