I have CUCM 7.0 , 2800 voice gateway connected to Teltronics PBX via E1 PRI NI2 protocol.
2800 with MGCP configuration
When PBX phone call Cisco IP Phone, the caller name appear on the cisco phone
When Cisco IP phone call the PBX phones, the caller name doesn't appear on the PBX phones
I will upload the debug isdn q931 capture
Anyone can help me ?