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seenagapeMay 25, 2016

Which of the following best describes SIP trunks?

A.
SIP trunks use the SIP REGISTER messages to register with SIP proxy function that is built
into Cisco Unified Communications manager

B.
SIP trunks do not use SIP REGISTER messages

C.
SIP trunks always use TCP

D.
The default UDP port that is used is 2000.

In 642-278Exam 642-278

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