I've added a new subscriber ot my CUCM 6.1 cluster and want devices to start using it. I've changed a device pool to use a new CallManager group with the new server as 1st choice. All the IP phones in this device pool have reset and now register wi...

Will CallManager 4 support trunl-to-trunk calls? A call comes in from a VoIP H.323 gateway and matches a RoutePattern which sends it out to another H.323 VoIP gateway. Should this work? and do I need to configure anything special to enable this?

I have selected the option for Extension Mobility to remember the last user logged in and this seems to work well. However, today I came in and none of the phones remember their previous user's login ID. How does Extension Mobility remember these a...

I'm monitoring the locations bandwidth as a fax call is placed from an analogue gateway and I see a 24k reduction as the call commences then it returns to the original value after a couple of seconds but the fax call continues. This will allow the a...