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PBX
Private Branch Exchange: the on-premises phone system the cloud is replacing.
in plain english
Private Branch Exchange — the box (or rack) that ran a company's phones for decades. 'Legacy PBX migration' is the industry's longest goodbye: the hardware still works, the ISDN lines behind it are being switched off, and the cloud vendors are waiting.
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Feature
The Cost Spike Nobody Budgeted For: Why “Do Nothing” PBX Strategies Are Breaking
Legacy PBX “do nothing” strategies are breaking as Openreach copper price hikes, support scarcity, and dual-run UCaaS costs drive an unbudgeted cost spike
Marcus Law · 26 Feb 2026Sponsored · Nuwave
Nuwave & Continuant on Simplifying Legacy PBX Migrations with Teleport and iPilot
UC Today covers %%primary_category%% news including %%tag%%, PBX migrations, and more.
Rob Scott · 9 Jun 2025News
Yeastar To Elevate Hospitality Comms With PBX Hotel Management Module
Yeastar’s P-Series Phone System adds a Hotel Management Module, helping small hotels streamline PMS, PBX and guest services. Published on UC Today.
Kieran Devlin · 16 Jan 2025