A functioning voicemail system on Cisco Unity Express returns a busy signal when called. An engineer verifies all the configurations on the host router but cannot establish a session from the router to the Cisco Unity Express module.
Which step should the engineer take to resolve this issue quickly?
A . Clear the IP ARP table on the router.
B . Issue a reset command to the service module.
C . Remove and reconfigure the Cisco Unity Express IP on the service module.
D . Restart the router.
Answer: B