| Exam 300-080 | Question id=4090 | Troubleshoot Call Quality Issues |
Calls drop right after the called party tries to answer the call. Which of the below reasons is true?
| A. |
Phone A is using SCCP and phone B is using SIP | |
| B. |
Firewall is blocking RTP packets | |
| C. |
An incompatible MTP type is allocated to the call | |
| D. |
Codec are mismatched between phones |