Which of the following is a switching system that provides similar features as a PBX, but the services are supplied from the LEC's central office?
A) COCOT
B) DID
C) Centrex
D) CTI

Question

Quizplus · Accepted Answer

Centrex is a service provided by local exchange carriers (LECs) that offers businesses PBX-like features directly from the carrier's central office, eliminating the need for a physical PBX system on the customer's premises.

Which of the Following Is a Switching System That Provides