One major caveat is that you need to make sure the incoming "corlist" need to be a superset (larger number of members) of the corresponding outgoing "corlist"
ie. looking at the config below the outcome is;
- DN60 can NOT call DN70 (because incoming corlist of INTERNAL is not a superset of UNRESTRICTED)
- DN60 can NOT calloutside (because INTERNAL and EXTERNAL does not overlap)
- DN60 can call DN80 (because INTERNAL and no corlist = call allowed)
dial-peer cor custom
name INTERNAL_CALLS
name EXTERNAL_CALLS
!
dial-peer cor list INTERNAL
member INTERNAL_CALLS
!
dial-peer cor list EXTERNAL
member EXTERNAL_CALLS
!
dial-peer cor list UNRESTRICTED
member INTERNAL_CALLS
member EXTERNAL_CALLS
!
dial-peer voice 9000 pots
corlist outgoing EXTERNAL
!
ephone-dn 60
corlist incoming INTERNAL
corlist outgoing INTERNAL
!
!
ephone-dn 70
corlist incoming UNRESTRICTED
corlist outgoing UNRESTRICTED
!
!
ephone-dn 80
corlist incoming UNRESTRICTED
!
Cisco refrence link HERE
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