[asterisk-dev] ISDN Overlap dial mechanism

[Martin]

It's already implemented for ISDN

in zapata.conf/chan_dahdi.conf make sure your channels inherit

context=do_overlap
overlapdial=yes

and then in the context for incoming calls simply do

[do_overlap]
exten => s,1,Dial(zap/g0/) ; this is if there are no digits in SETUP
exten => _X.,1,Dial(zap/g0/${EXTEN}) ;this is if there is more than 1
digit in SETUP
exten => _X,1,DIal(zap/g0/${EXTEN}) ;this is if there is one digit in SETUP

of course it doesn't have to be group=0 in dial and you if you have
dahdi change zap to dahdi

As for the other poster -> I'm not sure if it works for R2 signalling

Martin


On Tue, Apr 14, 2009 at 2:44 PM, Paulo Garcia <paulo.astdev at gmail.com> wrote:
> Hi,
> I'd like to know if it is possible to have a scenario where Asterisk acts
> like a switch "as-you-go" for ISDN calls. Let me explain better:
> I have an incoming call being received by Asterisk in overlap mode. After
> receiving the first information, my dialplan starts to make an outgoing call
> using these first data in overlap mode as well. As the incoming side
> receives more digits, Asterisk sends these digits to the outgoing call side,
> until the network is "satisfied" and the call is completed.
> I know it seems a user question, but my interest is in the implementation of
> this mechanism. If it is possible doing this, where I can find more
> information how the data is exchanged between both legs, since at this point
> the outgoing leg is executing the Dial() application.
>
> Thanks in advance
> Paulo
>
>
>
>
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