There are a couple of ways you could see that, One would be by having a service .NET connected to the manager interface and watching for activity on the phone, this way you could tell if the phone is busy or not.
[If phone has more than one line then set call-limit=1] Is this for routing purposes or just for display? The other thing you could use is Jabber. Look for OpenFire integration with asterisk and you'll see what I mean [google] _______________________________________________ -- Bandwidth and Colocation Provided by http://www.api-digital.com -- asterisk-users mailing list To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users