I need some help as my VoIP knowledge is very limited. I just talked to a Cisco reseller for a Cisco 2901 router for voice and I am a bit confused about the call controller concept. I have 3 sites and a couple of analog devices connected to the router. So I guess the router is considered as the gateway. The parts that I got as the following:
- Cisco 2901
- 1 PVDM3
- 1 VIC3-2FXS
- 1 VIC2-2FXO
My client is planning to use the dial-peer pots for the analog devices and dial-peer VoIP to connect to the remote site. My ISP will give me a 9mb ethernet hand-off to their MPLS cloud. The part that I am confused about is the rep said that the Cisco parts above will just allow VoIP traffic to go through and I will need a call controller to manage the dial plan. I thought that if I configured the dial-peer, this should take care of the dialing and the DSP will take care of the coding/decoding.