| Exam 210-060 | Question id=1205 | Provide End User Support |
A Cisco IP phone fails to register with the Cisco CallManager. Which choice should be checked first to isolate the issue?
| A. |
Cisco Discovery Protocol is enabled on the switch. | |
| B. |
The phone generates dhcp request packets. | |
| C. |
The phone generates TFTP request packets. | |
| D. |
Delete and re-create the phone. |