I have a CCM 5.1 running in my Network which and several Ip phones. There are 17 stations which has LG Aria exchange connecting analogue phones. These analogue phones communicate with each other via connecting to E1/PRI card on CISCO 7206 router. My question is how to communicate these analoue phones with IP phones. I also have a Gatekeeper which is CISCO 2821 with VWIC-2MFT-E1. I am suppose use tihs to inter communicate IP phone and analogue phones. Can u please help me how todo it.