[Asterisk-Users] How to determine if a device is in a call

[Alexander Lopez]

See:

http://www.sineapps.com/news.php?rssid=1130

snip...

> I have gotten intercom working on my office phones (Linksys SPA-942s),
> but I have noticed that if someone is in a call, it places the call on
> hold and sends the intercom audio to the person holding the phone that
> is being paged.  I'd like to add logic to my dialplan that doesn't
> send a page to a phone that is currently in a call.  But to do this I
> need a function that will tell me if a device is in a call.  Any
> suggestions?
> 
> Thanks,
> Carl

Snip.