| Exam 300-080 | Question id=4321 | Troubleshoot Registration Issues |
Endpoints are configured for both H.323 and SIP using the same URI and Cisco VCS settings, but the endpoints register only as H.323 endpoints. What is causing this issue?
| A. |
A firewall is blocking all traffic from the endpoints to the Cisco VCS. | |
| B. |
The Cisco VCS has no SIP domains configured. | |
| C. |
The Cisco VCS is blocking the endpoints because of duplicate ID entries. | |
| D. |
The endpoints do not have the SIP option key installed. | |
| E. |
SIP does not work, because SIP is used for Cisco Unified Communications Manager registration only. |