[Asterisk-Users] Zap POTS Line Problem calling outbound

[Rich Adamson]

> I have one POTS line going into a TDM400P.  Here in Atlanta, we have 10
> digit local dialing.  I launch a call "Zap/1/7705551212" and it goes
> thru just fine.  The next time I try it, without any modifications, I
> get a Bell recording telling me that I must dial the area code and seven
> digit number when placing a local call.  It's like Asterisk may be
> starting the dial before the line is ready (I'm guessing).

Try inserting a "w" in the dial string like this to see if it helps:
 Zap/1/w7705551212

If that corrects the problem, the issue is that asterisk is dialing
to quickly for the central office switch. Each "w" in the string adds
additional delay, so try ww7705551212 if a single one doesn't help.