Hi, i am new to Cisco and can some one please help setting up a VoIP module selections and other hardware if needed. I have two Cisco 2621 router. They both are at different locations. I am trying to setup a VoIP on both locations. I want to use two Cisco 7960 VoIP phone. I want to be able to setup call back and forth using VoIP from 2621 routers. What else do I need to setup the both router to use VoIP calls back and forth. Please help guide me.
Thanks for your time,
Singh