Ciao Loic,
> Hello,
> I am looking for a way to check if a call could be established with the
> "destination" (SIP,IAX,ZAP).
> So I thought about an application like DIAL but instead it should return
> a variable and hangup immediately as soon as it gets something that
> could lead to a valid connection "ringing..."
>
> Is there something like this that could be used in Asterisk or can
> anyone recommend a different/better solution?
I don't know if it's exactly what you want, but you can monitor the
status of a
given user using the Asterisk Manager Interface (AMI), through the events
NewState, PeerStatus, Hangup.
More info:
http://www.voip-info.org/wiki-Asterisk+manager+API
http://www.voip-info.org/wiki/view/asterisk+manager+events
HTH,
--
Dr. Andrea Spadaccini
Multimedia Technologies Institute - MTI S.r.l.
Web: www.x-voice.it - Tel: +39 (0) 95 7224945