Cisco 642-427 real exam prep : Troubleshooting Cisco Unified Communications v8.0 (TVOICE v8.0)

  • Exam Code: 642-427
  • Exam Name: Troubleshooting Cisco Unified Communications v8.0 (TVOICE v8.0)
  • Updated: Sep 07, 2025
  • Q&As: 301 Questions and Answers

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642-427 exam dumps

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

1. Please make the correct selection order for inbound POTS calls.
1.default dial peer
2.DNS with incoming called-number
3.ANI with destination pattern
4.originating voice port with configured dial peer port
5.ANI with answer address

A) 2 > 3 > 5 > 4 > 1
B) 1 > 3 > 5 > 4 > 2
C) 3 > 5 > 2 > 4 > 1
D) 2 > 5 > 3 > 4 > 1


2. You want to configure calls from a branch office with the G.729 codec to interoperate with a device in headquarters that supports only G.711.
Which two troubleshooting approaches achieve this requirement? (Choose two.)

A) Configure the transcoder to use DSP resources on the gateway.
B) Configure transcoding on the gateway to register with SCCP to Cisco Unified Communications Manager.
C) Configure transcoding on the gateway to use resources on Cisco Unified Communications Manager.
D) Configure transcoding on the gateway to register with SIP to Cisco Unified Communications Manager.


3. Refer to the exhibit.

Local 10-digit dialing in the North American Numbering Plan to area code 456 is failing.
Which two changes are needed to enable 10-digit dialing? (Choose two.)

A) Change dial peer 210 to port 0/0/0:23.
B) Remove the command prefix 456 from dial peer 210.
C) Change dial peer 210 to destination-pattern 456.......
D) Change dial peer 210 to destination-pattern 9456.......


4. Refer to the exhibit.



An intercluster call was placed from extension 2001 to 3001. The SDI trace was taken from the calling cluster. Which type of SIP call was initiated?

A) Early Offer
B) Delayed Offer
C) Delayed Offer with Early Media
D) Early Offer with Early Media
E) Early Media


5. Please choose two methods of LRQ forwarding from the following items. (Select two.)

A) LRQ blast
B) LRQ static
C) LRQ init
D) LRQ sequential


Solutions:

Question # 1
Answer: D
Question # 2
Answer: A,B
Question # 3
Answer: A,D
Question # 4
Answer: D
Question # 5
Answer: A,D

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