You are the network technician at Certkiller . You are using the IOS TSP application to control an IP phone. Your newly appointed Certkiller trainee wants to know what device you are using for voice termination.
What will your reply be?

A.
The IP Phone only.

B.
The TSP application only.

C.
Either the IP Phone or the TSP application.

D.
Both the IP Phone and the TSP application.