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QUESTION 65
Compressed Real-Time Transport Protocol (CRTP) is used on a link-by-link basis to compress the:
A. IP/UDP/RTP header from 44 bytes to 2-4 bytes most of the time
B. IP/RTP header from 44 bytes to 6-8 bytes most of the time
C. IP/UDP/RTP header from 40 bytes to 2-4 bytes most of the time
D. IP/UDP header from 66 bytes to 2-4 bytes most of the time
E. All of the above as it depends on the application type
Correct Answer: C QUESTION 66
In a call center deployment, busy hour traffic for voice gateway port/trunk is based upon:
A. Agent talk time (the time agent spends talking to a caller)
B. Agent after call work time (AKA “agent wrap up time”)
C. Queue time (the time caller spends waiting in queue waiting for an agent to become available)
D. A and C
E. All of the above
Correct Answer: D
QUESTION 67
A Centralized Automatic Message Accounting (CAMA) trunk allows enterprise voice GW connectivity to the North American emergency (911) services of the PSTN. How does CAMA trunk signaling differ from FXO trunk signaling?
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