642-427 試験問題を無料オンラインアクセス
| 試験コード: | 642-427 |
| 試験名称: | Troubleshooting Cisco Unified Communications v8.0 (TVOICE v8.0) |
| 認定資格: | Cisco |
| 無料問題数: | 301 |
| 更新日: | 2026-05-23 |
Refer to the exhibits.
When the IP phone 2001 places a call to 9011 49403021 56001, the call is sent to the Cisco Unified Border Element as 40302156001 which is what the ITSP expects to receive. The ITSP support personnel claim that they never saw the call. Issuing the debug CCSIP message command on the Cisco Unified Border Element results in the message "SIP/2 0 404 Not Found".
Refer to the Cisco Unified Border Element configuration, debug voice dial and ccsip messages exhibits. Which situation can cause this issued?
Refer to the exhibits.
End-to-end RSVP with local RSVP fallback has been configured on the HO Cisco Unified Communications Manager. RSVP between the locations that are assigned to the IP phones and SIP trunk at the HQ site is configured as mandatory. When a call is placed from an HQ phone to a BR phone, the end-to-end RSVP request fails.
Refer to the SDI trace. Which statement about the call is true?
Which issue would cause an MGCP gateway to fail to register with Cisco Unified Communications Manager?
Three calls can successfully be made across a WAN link. When a fourth call is made, the quality of all four calls degrades. Which QoS mechanism can help avoid this problem?
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?