asterisk users - Jun 2005 - outgoing prefix dial plan

Hi,

I have my Asterisk (two analog lines into a TDM400P) except cannot get out.
Centrex from Verizon was on the lines (must dial 9 to get out) is there a way
to get a pause using the outgoing prefix under trunks? Calls in and extensions
work fine - just getting out yields an error from Verizon each time something
is called (trying to prefix with 9 and without) Is there a special set of dial
plan rules or prefixes needed?

Thanks.

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> I have my Asterisk (two analog lines into a TDM400P) except cannot get out.
> Centrex from Verizon was on the lines (must dial 9 to get out) is there a
way
> to get a pause using the outgoing prefix under trunks? Calls in and
extensions
> work fine - just getting out yields an error from Verizon each time
something
> is called (trying to prefix with 9 and without) Is there a special set of
dial
> plan rules or prefixes needed?
Yes, insert a "w" in the dial string. Each "w" adds
additional delay.
Like:
 exten => _9XXXXXXX,1,Dial(Zap/4/ww${EXTEN}) 

Its a fairly common problem, particularily in central office switches
that are old, and on some newer ones that might be under engineered.