We have a Blackberry that supports SIP and a voice gateway that also supports SIP. Can I configure the Blackberry to connect to the gateway to make calls? We have a wireless LAN that the Blackberry can use to connect to the IP network.

Can a configuration be done to have an IP phone connect through one gateway to another? Other than the correct IOS is there a need for voice cards in the invening gateway?

Here is a question we've kicked around a few times and still have not gotten a good answer. Perhaps someone reading this can answer it. Here is the scenerio, we have a QoS congestion management policy on our IOS router. We have a premium class, ba...

Can a gateway have dial-peers that use a gatekeeper for call admission control to one gateway and dial-peers that don't but point to a gateway that uses a limited number of Ds0's for call admission control?

We have a client that wants to have the Unity use the same options as their Intuity system. This requires things link allowing *W during the greeting to wait to continue or *H for help and **N for umber/name lookup. From what I've seen and been tol...