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

1. Which statement explains why you hear an engaged or busy tone when you press the "meet me" function and dial the allocated DN numbers?

A) Not enough DSPs are available.
B) The conference bridge must be rebooted.
C) Codecs are not the same in all regions.
D) The conference bridge is not configured.

2. 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) Tail-end echo
B) Talker echo
C) Listener echo
D) Hybrid echo

3. What happens if CDP is not enabled on a switch port to which an IP phone is connected?

A) The phone cannot learn the address of the TFTP server.
B) The phone is unable to acquire an IP address.
C) The phone cannot get its VLAN ID assignments.
D) The switch will put the port into the errDisable state until CDP is enabled.

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 Bolder Element is configured as an MGCP gateway also so that the call is attempted via the PSTN
B) 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.
C) 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.
D) The command allow-connections sip to h323 is missing

5. You want to reduce WAN bandwidth for audio calls from the branch office to the headquarters over the WAN link.
Which two solutions reduce WAN bandwidth for audio calls? (Choose two.)

A) Configure transcoding on the headquarters gateway.
B) Configure the Cisco Unified Communications Manager region to use G.711 instead of G.729.
C) Configure the Cisco Unified Communications Manager region to use G.729 instead of G.711.
D) Configure transcoding on the branch gateway.

Solutions: