What is the unique identifier that is used to register an IP phone endpoint to Cisco Unified Communications Manager?
A. MAC address
B. model
C. IP address
D. serial number
What is the unique identifier that is used to register an IP phone endpoint to Cisco Unified Communications Manager?
A. MAC address
B. model
C. IP address
D. serial number
MAC ADDRESS is the ANSWER
CISCO Press book CICD 210-060 IP phone registration in CUCM p243-244
not mac address?