I am beginner in voice and I need help to configure Dial-peers on cisco routers.
between two router i can configure dial-peer and calling is successful but whet i create a scenario with multiple routers like Router R1, R2, R3 and R4.
all routers are connected back to back.
IP phones are connected to R1 and R4 only.
I can create dial peer on R1 and R4 for inbound and outbound.
what i need to configure on R2 and R3 to get calling successfully done.
ospf is done between all router and pinging end to end.