I am trying to prevent a loop scenario. We have a SIP trunk to a Service provider and trying block the calls going out on SIP trunk if we received the call from that trunk. Some thing similar to CallManager config where CSS of trunk wouldn't have ...

Working on a Nortel integration with Unity using a intel Dialogic D/120JCT. As soon as I plugin the analog line they go off hook. If I connect a phone I can make a call. I tried changing SW1 settings.. no luck Do I have a bad card ? Its the only c...

Is there any way we can play multiple greetings in Unity when an outsider calls to leave a VM to a subscriber? For example when some one tries to leave me a VM I want Unity to play the System greeting before it plays my personal greeting.

CAllManager 4.1.3 Sr1 at main site. We have a remote site with Nortel opt11. connected to main site 3825 by PRI . That same 3825 has another PRI to PSTN. Both gateways are configured as MGCP. I am trying to implement FAC for international dialing. ...

How can we configure speed dials on IP phones so that when I dial some 800 number it would wait till call is extended once options are announced it would send the option it wants to select?for example I would like configure a speed dial to dial 18...