Off-Net to On-Net Calling
NWV
College PBX,
Centrex or Call Manager
College PBX, Centrex or Call Manager
3640 Router
3640 Router
1.Caller off-campus enters 7 digit access number and 10 digit phone number.
2.If site has security turned on, prior to entering the 10 digits, you will be asked to enter an account number and pin number.
3.  Remote 3640 Router/Call Manger accepts 10 digit phone number and forwards accordingly.
2.  3640 Router matches 10
     digit phone number with Gatekeeper and routes call using the IP address across the network.
PSTN
Gatekeeper