[Asterisk-Users] How to do "asynchrononous" Dial?

[Eric "ManxPower" Wieling]

John Biundo wrote:
> Are there any features in asterisk that might be used to effect a 
> background dial task?
> 
> I want to be able to start a Dial task running, in chich the execution 
> can be automated via DTMF tones (e.g., voicemail retrieval), but not 
> block the originating thread of execution.  The dial plan or AGI 
> containing the Dial command should proceed on to the next step.  I'll 
> arrange some kind of rendezvous later on.
> 
> As far as I can tell, I'm on my own to build this capability through 
> some sort of daemon and the manager API or my own IPC mechanism.  I'd 
> really hoped for some higher level of abstraction from within Asterisk 
> to accomplish this.
> 
> Am I missing something in Asterisk that will make this easier to 
> accomplish?
> 
> Are there any publically available examples of this kind of application?
> 
> Anybody got any ideas for nifty tricks to get this done?

See sample.call in the Asterisk source directory and .call files on the 
Wiki.  Sounds like you want Asterisk to call a person when a voicemail 
is left and allow the person to get their voicemail during the 
notification call.