Latest CCNP Voice 642-457 Dumps (1-5)

QUESTION 1
Which two features require or may require configuring a SIP trunk? (Choose two.)
A.    SIP gateway
B.    Call Control Discovery between a Cisco Unified Communications Manager and Cisco Unified Communications Manager Express
C.    Cisco Device Mobility
D.    Cisco Unified Mobility
E.    registering a SIP phone
Answer: AD

QUESTION 2
Refer to the exhibit.
The exhibit shows centralized Cisco Unified Communications Manager configuration components for TEHO calls to U.S. area code J08 from the U.K. The PSTN access code for the U.K is 9 and 001 for international calls to the U.S. What should the TEHO-US route list configuration consist of?
A.    First route group should point only to the U.K. gateway. The second route group should point to the U.S. gateway.
B.    First route group should be only the local route group. The second route group should point to the U.S gateway.
C.    First route group should point only to the U.S. gateway. The second route group should be the local route group.
D.    The TEHO-US route list should contain only the local route group. The globalized configuration means that the appropriate gateway will be elected automatically.
E.    The \+!route pattern should point directly to the U.S gateway.
Answer: C

QUESTION 3
When Cisco Extension Mobility is implemented, how is the audio source for the MOH selected?
A.    The audio source that is configured at the user device profile is selected.
B.    The audio source that is configured at the home phone of the user is selected.
C.    The audio source that is configured at the physical phone used for the Cisco Extension Mobility login is selected.
D.    The audio source that is configured in the IP Voice Media Streaming parameters is selected.
Answer: A

QUESTION 4
In what Cisco solution is Simple Network-Enabled Auto Provision technology used?
A.    Cisco Unified Gateway Duplication
B.    Cisco UnifiedCallManager Redundancy
C.    Cisco Unified SRST
D.    Cisco Unified Call Survivability
Answer: A

QUESTION 5
Which method can be used to address variable-length dial plans?
A.    Overlap sending and receiving.
B.    Add a prefix for all calls that are longer than 10-digits long
C.    Use nested translation patterns to eliminate inter-digit timeout
D.    Use the @macro on the route pattern
E.    Use MGCP gateways, which supportvariable-length dial plans
Answer: D

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