Which telephony-service command adds extension 100, John Doe, as the first entry in the corporate directory of Cisco Unified CME?
A. directory entry 1 100 name John Doe
B. corporate-directory entry 1 100 name John Doe
C. directory entry 1 100 first-name John last-name Doe
D. corporate-directory entry 1 100 first-name John last-name Doe
