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Cisco Troubleshooting Cisco Unified Communications v8.0 (TVOICE v8.0) Sample Questions:

1. Which type of echo is found mostly on tail circuits and is due to reflection that causes the Tx signal to appear on the Rx signal?

A) Hybrid echo
B) Talker echo
C) Tail-end echo
D) Listener echo

2. At what step do you restart the troubleshooting process if after observing the result of your troubleshooting, the problem still exists?

A) Observe Results
B) Consider the Possibilities
C) Implement Acton Plan
D) Define the Problem
E) Create Action Plan
F) Gather Facts
G) Restart Problem-Solving
H) Process Problem Resolved

3. Refer to the exhibit.

Refer to the exhibit. When a call between two HQ users was being conferenced with a remote user at the BR site, the conference failed.
Which configuration would be needed to solve the problem?

A) Enable the software conference bridge to support G.711 and G.729 codecs in Cisco Unified Communications Manager service parameters.
B) A transcoder should be configured at the remote site and assigned to all remote phones through the BR_MRGL.
C) The HQ_MRG must contain the transcoder device. The HQ_MRGL must be assigned to the HQ phones.
D) The HQ_MRG must contain the transcoder device. The HQ_MRGL must be assigned to the software conference bridge.
E) The BR_MRG must contain the transcoder device. The BR_MRGL must be assigned to the BR phones.

4. 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?

A) The Cisco Unified Communications Manager is rnisconfigured. The SIP invite should be sent to the ITSP at 10.1.2.1.2. The debug ccsip message shows the SIP invite being sent to 10.12.1.2.
B) The Cisco Unified Bolder Element is configured as an MGCP gateway also so that the call is attempted via the PSTN
C) The command allow-connections sip to h323 is missing
D) SIP error 404 means that a codec mismatch occurred Cisco Unified Communications Manager is sending the call as an early offer with G.711 codec.

5. 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?

A) Configure G.729 codec from HQ to Xcode and G.711 from BR to Xcode
B) Configure G.711 codec from HQ to Xcode and G.729 from BR to Xcode
C) Configure G.729 codec from HQ to Xcode and G.729 from BR to Xcode
D) Configure G.711 codec from HQ to Xcode and G.711 from BR to Xcode

Solutions: