| Exam 300-080 | Question id=4205 | Troubleshoot Media Resources |
For which two reasons does music on hold fail to play?
| A. |
The DRAM is corrupted on the Cisco IOS router. | |
| B. |
Unicast music on hold is configured and the IP addressing mode is set to IPv4 Only. | |
| C. |
A SIP trunk is configured between the phone and the music on hold server. | |
| D. |
iPv4 addressing is in use. | |
| E. |
Multicast music on hold is configured and the IP addressing mode is set to IPv6 Only. | |
| F. |
Analog lines are terminated into the voice gateway. |