A VoIP system will require 23 concurrent voice channels and one signaling channel. Which of the following types of WAN service would provide the BEST connectivity to the PSTN?
A) PRI
B) BRI
C) E1/E3
D) DSL

Question

Quizplus · Accepted Answer

PRI (Primary Rate Interface) is a type of ISDN service that provides 23 voice channels and one signaling channel, making it ideal for connecting to the PSTN with the specified requirements.

A VoIP System Will Require 23 Concurrent Voice Channels and One