[asterisk-users] How to capture destination number when receive call through ZAP

[mark morreny]

Dear Rob and all,
I also tried $CHANNEL before but it returned:

  -- Executing [s at incoming:8] NoOp("Zap/1-1", "channel = Zap/1-1") in new
stack

It still does not give me the dialed number.   Could you explain how to
match it again the zap channel to extract the dialed number?
Will I be able to get the dialed number if I am using a E1 line?

Thanks,
Mark

On Mon, Mar 24, 2008 at 2:29 PM, Rob Hillis <rob at hillis.dyndns.org> wrote:

>  The only method I'm familiar with for an analogue line to signal which
> number was called is a very old service that loops the line first and then
> dials the number.  The only way to capture this would be to handle the
> incoming line as a standard extension with a different context.  I've only
> run in to one of these services myself - and that was attached to a legacy
> PABX.  I seriously doubt you'd be able to order these services any more.
>
> If this is a standard PSTN service, the only way you know which number has
> been called is by matching it against the zap channel that the call has been
> received on.  The ${EXTEN} variable won't tell you this as you've already
> found out - you'll need to examine ${CHANNEL} and match the channel to the
> connected DID yourself.
>
>
>
> mark morreny wrote:
>
> Hi all,
>
> I am using Digium PCI board to receive PSTN call through regular phone
> line.  It is no problem for me to receive calls, but I am not able to
> capture the destination number through the ZAP channel
>
>
> exten => s, n, Verbose(1|destination to ${EXTEN}  )
>
>
> ${EXTEN} returns 's' instead of the actual destination number.  Since I
> have multiple phone numbers, I want to be able to route different calls to
> different places.
>
> Is this possible to do with Asterisk?
>
> Thanks,
> Mark
>
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