What is a Private Branch Exchange (PBX)?
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Private Branch Exchange (PBX): Complete Guide for Business Phone Systems A growing accounting firm in Dallas had 35 employees sharing 8 phone lines. Clients complained about busy signals constantly. Transferring calls meant shouting across the office or putting someone on hold, walking to another desk, and hoping the right person was available. The owner paid $2,400 per month for separate business lines that couldn't communicate with one another. After installing a PBX system, every employee had their own extension. Calls are transferred instantly with a button press. The monthly bill dropped to $800. Clients reached the right person on the first try. This scenario plays out in businesses everywhere. Companies outgrow basic phone setups but don't understand private branch exchange technology or how PBX phone system solutions solve communication problems. The terminology alone—PBX, PABX, IP-PBX, hosted PBX—confuses even tech-savvy business owners. This guide explains what a priv...