Like this?
exten => _XNPANXXXXXX,1,Dial(Zap/g1/9${EXTEN}|20)
Notice it matches 18005551212 and it dials 918005551212. (The 9 before the
${EXTEN})
Moj
Joshua Kinard wrote:
> Hey all,
>
> Working slowly on getting the myriad number of parts to my fax system plan
> together, and one of the pieces I want to nail is how to go about, for the
> outbound context (fax-out) pre-pending a digit onto a number? I.e., for all
> my testing right now, I've been dialing '91XXXXXXXXXX', as the asterisk
> server doing faxing junctions into my old Rolm CBX switch, and so I need the
> '9' digit to dial outside numbers. However, for deployment, I'd like to save
> the users confusion and have the server automatically append that leading '9'
> digit.
>
> That possible by chance? I assume it is, but off the top of my head, it
> didn't seem intuitive. Below is the exten lines for my [fax-out] context,
> followed by some test exten lines that wound up failing:
>
> exten => _X.,1,Dial(Zap/g1/${EXTEN}|20)
> exten => _X.,n,Busy
> exten => _X.,n,Hangup
>
> ; Test appending 9?
> ;;exten => _9XNPANXXXXXX,1,Dial(Zap/g1/${EXTEN}|20)
> ;;exten => _9XNPANXXXXXX,n,Busy
> ;;exten => _9XNPANXXXXXX,n,Hangup
>
>
> I was trying to do some basic matching to the NANP formula to catch when
> someone accidentally mistypes a number, but that didn't match up and asterisk
> was complaining that no exten lines in the [fax-out] context were matching.
>
> Also, is it possible offhand to block the dialing of certain numbers in the
> same context? I.e., just as a check, to block faxes to 900 numbers? I
> believe my Rolm CBX will do this for me, as it's got a pretty extensive list
> of area codes and exchanges that are known to be sinister in nature
> pre-loaded (probably needs updating, though...), but I figured that if I
> could block it in asterisk, to do so. Save the Rolm a wee bit of processing
> and all (it is old, and probably senile...)
>
> That, and I'd like to filter accidental '9911...' dials using this technique
> (which would dial 911 emergency, and that wouldn't be good, since I doubt
> faxes are a good method of calling in an emergency (unless they have a color
> fax and can discern that the red ink really isn't red ink...)).
>
> Thoughts anyone? Thanks!,
>
> --Josh
>
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