| Exam 300-080 | Question id=4170 | Troubleshooting Video Conferencing Architecture |
Cisco Telepresence Systems that are calling from a CUCM cluster to an H.323 registered device on a Cisco VCS Control do not work. However, calls from the H.323 VCS registered devices to the same CUCM registered systems do work. What are two possible reasons?
| A. |
the call from CUCM to VCS Control does not match any search rule | |
| B. |
Calls from CUCM add ":5060" or ":5061" after the SIP address, unlike the VCS Control | |
| C. |
both systems do not support TLS encryption | |
| D. |
the SIP trunk has not enabled bidirectional mode | |
| E. |
Cisco VCS Control is registered in the wrong partition |