asterisk users - Jun 2005 - Zap POTS Line Problem calling outbound

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).

The only thing I could think of was to play with the echotraining
parameter.  Didn't work.

Any ideas would be appreciated.

Zaptel.conf:
loadzone = us
defaultzone=us
fxsks=1

Zapata.conf
context=incoming
signalling=fxs_ks
echocancel=yes
echocancelwhenbridged=yes
echotraining=400
relaxdtmf=yes
rxgain=0.0
txgain=0.0
immediate=no
busydetect=yes
callprogress=no
musiconhold=default
usecallerid=yes
callerid=asreceived
group=1
channel=1

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> 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.