community
What Is a PBX System? A Plain-English Breakdown
A PBX system manages internal calls and connects to the public telephone network. This guide explains how it works, the main types, and what to consider before choosing one.
Every article on Detroit Bureau about Telephony Infrastructure — 2 stories covering it, newest first.
community
PBX Trunk: What It Is, How It Works, and Why It Matters
A PBX trunk connects your private branch exchange to the public switched telephone network, carrying calls between internal extensions and external lines.
Topic