What Is Cloud PBX? The 2026 Guide for MSPs and Growing Businesses

What is Cloud PBX title card with Viirtue branding.

Cloud PBX has become the default choice for businesses that want a modern, flexible phone system without the burden of maintaining hardware. Instead of relying on an aging PBX tucked in a telecom closet, companies are turning to cloud PBX platforms that run in secure data centers, support remote teams, and scale instantly as they grow. For MSPs and IT providers, understanding what cloud PBX is — and why adoption keeps accelerating — is now essential.

AI Solutions

VoIP & Fax

Viirtue’s free, full-service tool for MSPs.
Free for all Viirtue partners, ViiBE makes quoting and billing seamless, so you can grow your business efficiently while serving your clients better.