| Exam 300-080 | Question id=4094 | Troubleshoot Call Setup Issues |
A call transfer from a video phone on Cisco Unified CM to VCS fails. Which is true?
| A. |
The DTMF signaling method | |
| B. |
The UCM security mode was misconfigured | |
| C. |
The DTMF signaling method was set to no preference | |
| D. |
The SIP trunk between UCM and VCS was reset |