An endpoint has a SIP trunk configured between Cisco Unified Communications Manager (CUCM) and a Cisco VCS cluster. When a call is made from a Cisco TelePresence System EX60 that is registered to the Cisco VCS to a Cisco IP Phone 9971 that is registered to CUCM, it rings. But upon picking up the call, a busy tone is heard. What should be checked to resolve this issue?
A) CUCM zone on the Cisco VCS.
B) SIP trunk and phone region settings.
C) SIP trunk registration.
D) authentication on the SIP trunk.
Correct Answer:
Verified
Q46: Which three configuration settings are included in
Q47: Refer to the exhibit. Q48: Refer to the exhibit. Q49: The phone model series for the physical Q50: A CUCM end user with Extension Mobility Unlock this Answer For Free Now! View this answer and more for free by performing one of the following actions Scan the QR code to install the App and get 2 free unlocks Unlock quizzes for free by uploading documents
