What is the primary function of the private branch exchange (PBX)?
A)Switching one telephone line to another
B)To meet the increasing demands of data transmission
C)To meet the economic objectives of providing service
D)To maintain order during the interchange of data

Question

Quizplus · Accepted Answer

The primary function of a private branch exchange (PBX) is to switch one telephone line to another within a private organization or business, allowing for internal communication and external communication with the outside world. Option B, C, and D are not directly related to the function of a PBX.

What Is the Primary Function of the Private Branch Exchange