Cisco
640-461 · Question #251
A Cisco IP phone fails to register with the Cisco CallManager. Which choice should be checked first to isolate the issue?
The correct answer is B. The phone generates dhcp request packets. See the full explanation below for the reasoning.
Question
A Cisco IP phone fails to register with the Cisco CallManager. Which choice should be checked first to isolate the issue?
Options
- ACisco Discovery Protocol is enabled on the switch.
- BThe phone generates dhcp request packets.
- CThe phone generates TFTP request packets.
- DDelete and re-create the phone.
How the community answered
(44 responses)- A2% (1)
- B77% (34)
- C7% (3)
- D14% (6)
Community Discussion
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