[Asterisk-Users] Changing caller ID based on the extension dialled?

[Shaun Ewing]

On Thu, 6 Jan 2005 13:22:43 +0100 (CET), Remco Barende
<asterisk at barendse.to> wrote:
> Hi list!
> 
> I am going to install an intercom module for our home. The intercom can
> cater for 3 doors where people can ring the doorbell and the unit can
> also remotely open the door (Siedle system).
> 
> It would be nice however to know that you are opening the right door or at
> which door the people are ringing.
> 
> For each door I am able to program a different extension that will be
> dialled. Can I have asterisk change the Caller ID that will be displayed
> on the phone based on the extension that is dialled? The call will always
> be from one telephone line(extension) so this is no option.
> 
> I want it like this:
> 
> Door:           Extension dialled       Phone display (CID)
> Front           301                     Front door (or 301)
> Garden          302                     Garden door (or 302)
> Gate            303                     Gate
> 
> I guess that this is the opposite of what Caller ID was meant for but it
> would suit the job that well :)
> 
> Thanks!!

Something like this should do the trick:

exten => 301,1,SetCallerID(Front door <301>)
exten => 301,2,Dial phones here

exten => 302,1,SetCallerID(Garden door <302>)
exten => 302,2,Dial phones here

etc.

-Shaun