How many ports should you identify?
You are evaluating whether the PSTN gateways must be upgraded to support the planned migration to Lync Server 2013. You need to identify the minimum number of ports required for each PSTN gateway in the New York office. How many ports should you identify?
A. 10
B. 20
C. 100
D. 200
Correct Answer: D
Explanation/Reference:
NY has 4000 users, 25% on the phone, and 20% of those to the PSTN.
4000*.25*.20 = 200