| Exam Code/Number: | 642-427Join the discussion |
| Exam Name: | Troubleshooting Cisco Unified Communications v8.0 (TVOICE v8.0) |
| Certification: | Cisco |
| Question Number: | 301 |
| Publish Date: | Oct 10, 2026 |
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Refer to the exhibit.
An intercluster call was placed from extension 2001 to 3001. The SDI trace from the calling cluster. Which RTP port was used by the calling phone?
You are troubleshooting why a user cannot make calls to the PSTN. You are reviewing trace files and you have found where the user's IP phone initiates the call but you never see the call go out the gateway. What is the next step in troubleshooting this issue?
You are a voice technician. If you are required to solve latency issues in a VoIP network, which measures will you take? (Select three.)
You have received a trouble ticket from a user who could not leave a message for John Doe at extension 2001. The user stated that when the call was forwarded to voice-mail, the Cisco Unity opening greeting was played instead of John Doe's greeting. Which three issues could cause this problem? (Choose three.)
Refer to the exhibit.
The BR phones only support G.711 codec. When a call from HQ is placed to a BR phone, the call fails. The network administrator would like to use a hardware transcoder that is only reachable via the WAN from the HQ and BR sites. How should the transcoder region be configured?
