Cisco 642-437 : Implementing Cisco Unified Communications Voice over IP and QoS v8.0 (CVOICE v8.0)

  • Exam Code: 642-437
  • Exam Name: Implementing Cisco Unified Communications Voice over IP and QoS v8.0 (CVOICE v8.0)
  • Updated: May 30, 2026     Q & A: 257 Questions and Answers

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Cisco Implementing Cisco Unified Communications Voice over IP and QoS v8.0 (CVOICE v8.0) Sample Questions:

1. Which statement is true for an ephone-dn that has no COR applied?

A) Calls can be made from this ephone-dn only to external numbers.
B) Calls can be made from this ephone-dn only to another ephone-dn on the local router.
C) Calls cannot be made from this ephone-dn.
D) Calls can be made from this ephone-dn to all possible numbers from the local router.


2. Which option inside DHCP pool configuration gives a TFTP server to a Cisco IP phone?

A) option 110
B) option 176
C) option 150
D) option 82


3. Which type of ephone-dn can be used to support one virtual voice port with support for two channels?

A) dual-line
B) dual-channel
C) dual-voice-channel
D) single-line


4. Which two are Cisco IP phones that are Bluetooth-enabled devices? (Choose two.)

A) Cisco IP Communicator
B) Cisco Unified IP Phone 6900 Series
C) Cisco Unified IP Phone 9971
D) Cisco Unified IP Phone 8961 Series
E) Cisco Unified IP Phone 7925G


5. Which command is used to view the COR list?

A) show dial-peer summary
B) show voip ccapi inout
C) show ip interface brief
D) show dial-peer cor


Solutions:

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

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