[Asterisk-Users] delay on pri dialling when asterisk is spliced between E1-Pri and legacy pbx

[Peter Svensson]

On Tue, 2 Aug 2005, Frank Sautter wrote:

> Maik Schmitt schrieb:
> >>one of our customers which wants a soft transfer between his old pbx to
> >>asterisk and sip. the setup is as follows:
> >>   telco <---pri---> asterisk <---pri---> legacy pbx
> >>everything is fine exept that when dialling from the legacy pbx it takes
> >>about 3 seconds before the asterisk start to dial.
> >>where does this delay come from?
> >>has it to do with 'overlapdial=yes'?
> > 
> > This is normal behaviour if you use '.' in your extensions.conf. Use '!' 
> > instead and Asterisk will start dialing immediately.
>
> when i change '.' to '!' then the overlap digits get lost. this means 
> the longest number dialled on my telco line is as long as there are 
> abigous matches in the dialplan.
> isn't there a way to start dialling after one received enough digits to 
> decide which path to dial and then still transmit the remaining 
> (overlapping) digits?

If you have "overlap=yes" on both legs this should work. What you are 
seeing is consistent with having overlap=no on the outgoing call leg.

Peter