We have two CME’s and a single shared CUE.
Dialplan
CME1:
3002 – Phone 1
3003 – Phone 2
3200 – AA Script (outside scope)
3600 – Voicemail
3998 – MWI off
3999 – MWI on
CME2:
3004 – Phone 1
3005 – Phone 2
3998 – MWI off
3999 – MWI on
on CME1 (Central)
voice service voip
allow-connections sip to h323
allow-connections h323 to sip
allow-connections h323 to h323

interface FastEthernet 0/0
ip [...]