The administrator has added a new ephone-dn and a new ephone to the Cisco Unified
Communications Manager Express system, but the new phone will not register with the system. If
other phones are operating properly, which of the following should the administrator do first to try
to resolve the issue?
A.
Reboot the router.
B.
Remove the ephone, then re-add the ephone.
C.
Verify that the url authentication is configured for the correct authentication URL.
D.
Verify that the url services is configured to the correct URL for services.
E.
Enter the command no telephony-service, then enter telephony service in global configuration
mode.
F.
Enter the command no create cnf-files, then enter create cnf-files under the telephony-service
configuration.
Explanation: