About Net3PBX · Nashville, TN
Business phones, done right since 2007.
Net3PBX has helped businesses replace aging phone systems with reliable cloud communications for nearly 20 years. Today we pair that experience with Voice AI, so even the smallest team can answer every call.
How we work
Carrier-grade network. Personal service.
Reliability first
Our platform runs on multiple Tier 1 carriers with a 99.99% uptime SLA.
Real people, in the US
Call or email our US-based support team Monday–Friday, 8am–6pm ET.
Fair terms
No long-term contracts, free number porting and a 30-day money-back guarantee.

Since 2007In business telecom
99.99%Uptime SLA
100k+Concurrent call capacity on our carrier-grade platform
50+CRM and app integrations
Some of the businesses we serve









A CAB3 Group company
Secure. Connect. Build.
Net3PBX is part of CAB3 Group, alongside sister brands that cover IT, cybersecurity and custom software. One team for the technology your business runs on.

SECURECyberscape TechnologyManaged IT, cybersecurity and structured cabling
CONNECTNet3PBXCloud phones, unified communications and Voice AI

BUILDCAB3 GroupCustom website and app development