Which dial plan type does the engineer recommend?

exams 350-801 V9 350-801 exam 0 Comments

An engineer with ID0123456789 is designing a new dial plan for a customer that has offices in several countries on four continents around the world. This client also wants to integrate with a Microsoft Lync backend.

Which dial plan type does the engineer recommend?
A . H.323
B . SIP URI
C . E.164
D . TEHO

Answer: C