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

1. Refer to the exhibit.

The exhibit shows the output of debug isdn q931. An inbound PSTN call was received by an
H.323 gateway that is configured in Cisco Unified Communications Manager. The call failed to ring extension 3001. If the phone at extension 3001 is registered and reachable through the gateway inbound CSS, which four actions can resolve this issue? (Choose four.)

A) Configure the Cisco IOS command num-exp 2288223001 3001 on the gateway ISDN interface.
B) Configure a called-party transformation CSS on the gateway in Cisco Unified Communications Manager that includes a pattern that transforms the number from ten digits to four digits.
C) Configure a translation pattern in Cisco Unified Communications Manager that can be accessed by the phone CSS to truncate the called number to four digits.
D) Configure a voice translation profile in the H.323 Cisco IOS gateway with a voice translation rule that truncates the number from ten digits to four.
E) Configure the digit strip 4 on H.323 gateway in the Incoming Called Party Settings in Cisco Unified Communications Manager.
F) Change the significant digits for inbound calls to 4 on the gateway configuration in Cisco Unified Communications Manager.

2. Refer to the exhibit.

A second Cisco Unified Communications Manager server of 10.10.10.101 was added along with the existing Cisco Unified CM server of 10.10.10.100. When Cisco Unified CM 10.10.10.100 is unavailable, the branch gateway fails to register.
Which configuration change is needed to register the gateway to either Cisco Unified CM server?

A) Remove the gatekeeper command because MGCP conflicts with H.323 on the voice gateway.
B) Add a voice dial peer to 10.10.10.101.
C) Add the command MGCP.
D) Add the command ccm-manager redundant-host 10.10.10.101.
E) Increase the amount of bandwidth allocated in the low latency queuing for MGCP signaling traffic.

3. Which command should you use to resolve a jerky speed issue?

A) playout-delay
B) comfort-noise
C) echo-cancel enable
D) comfort-echo
E) show voice port
F) echo-cancel coverage

4. You have a Cisco Unified Communications Manager cluster with four servers that are integrated with two Cisco Unity Connection servers and two Cisco Unified Contact Center Express servers. Some of the Cisco IP Phones are not implementing configuration changes that you assign to them.
Which troubleshooting approach can you implement to have the Cisco IP Phones accept all configuration changes?

A) Synchronize the database between Cisco Unified Contact Center Express and Cisco Unified Communications Manager.
B) Synchronize the database between Cisco Unity Connection and of Cisco Unified Communications Manager.
C) Synchronize the database between the Publisher and the Subscriber of Cisco Unified Communications Manager.
D) Synchronize the databases in Cisco Unity Connection and Cisco Unified Contact Center Express.

5. You are a network technician with many years' experience. Many users complain that they can hear echo when their calls go out an H.323 gateway. You have made some testing for the gateway and have changed the configuration. So the ERL level turns to be 6 dB. Furthermore, the echo-cancel coverage value is raised to 64 ms. Please choose the effect on the voice quality after this modification.

A) Consonants will be chopped by the echo canceller.
B) The increase in echo-cancel coverage will have no effect on voice quality.
C) The echo canceller will take 2-3 seconds longer to converge at the beginning of the call.
D) The ends of sentences will be chopped by the echo canceller.

Solutions: