What Is Cloud PBX?
Cloud PBX is a phone system that runs on a provider's cloud servers, accessed by customers over the internet on a monthly subscription, without on-site hardware.
Definition
Cloud PBX (Cloud-based Private Branch Exchange) moves the PBX from the office server room to the provider's data center. Customers connect IP phones, softphones, and mobile apps over the internet.
For a deep dive, see our pillar article: What Is Cloud PBX? Complete 2026 Guide.
Usage
Best fit for SMEs and enterprises wanting easy scaling, remote work support, and zero on-site server maintenance.
Related Concepts
Hosted PBX, Virtual PBX, and IP PBX as a Service generally mean the same thing.
Frequently Asked Questions
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