[asterisk-users] Call forward at telco

[Gordon Henderson]

On Thu, 9 Aug 2007, Gunnar Schaller wrote:

> Hello,
> I want to enable call forwarding at my telco. In Germany you can press
> *21*destination# and all calls will be redirected to the destination
> without interaction with any equipment on my side.
> How to dial this with Asterisk and Zap-Channels? It can not be send as
> "called number", it has to be send as "keypad facility".
> Anyone here with some hints? The application ZapSendKeypadFacility in
> Asterisk 1.4 only supports answered channels if I read it correctly.
> But my channel is not answered before sending *21*destination# (I get
> a voice telling me the call forwarding is activated).

This doesn't work?

   exten => _*21*X.,1,Dial(Zap/1/*21*${EXTEN:4})

Then you can dial

   *21*destination#

then just push 'send' on your SIP phone and the system will dial it out 
for you... ??

or am I missing something...

Gordon