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PNX PBX Community Project
PNX PBX Community Project
A Free, Open, and Collaborative PBX for VoIP Enthusiasts
A Free, Open, and Collaborative PBX for VoIP Enthusiasts
The PNX PBX Community Project (PNX Community PBX) is a public, hobbyist-focused telephone system built for learning, experimentation, and having fun with VoIP. Whether you're a seasoned telecom pro or someone just getting started with SIP, PNX PBX gives you a place to explore the world of telephony — at no cost.
What Is the PNX Community PBX?
What Is the PNX Community PBX?
PNX Community PBX is a cloud-hosted, community-accessible PBX that allows members to:
Register their own SIP devices
Learn how PBX systems work
Experiment with call routing
Connect with other telephone hobbyists
Test trunks, extensions, and features
Use real VoIP equipment in a safe sandbox
It’s like a playground for telecom — built for curiosity, tinkering, and skill-building.
Features for the Community
Features for the Community
The PNX Community PBX offers a variety of features designed for exploration:
Free community extensions (limit 4 extensions per member, more can be obtained with prior apporval from staff)
SIP device registration
IVR menus
Test numbers & audio playback
Voicemail
Call groups & ring tests
DTMF and codec testing
PTSN access inbound and outound (limited use)
Everything is structured so users can learn, break things, fix things, and understand VoIP hands-on.
A Place to Collaborate
A Place to Collaborate
Telephony isn’t just about technology — it’s about community.
The PNX Community PBX gives members opportunities to:
Share ideas and projects
Learn from more experienced users
Experiment with real PBX behavior
Host events, meetups, and live call tests
Build a network of fellow enthusiasts
Whether you’re experimenting with an old Cisco phone, rotary phone, testing ATA devices, or exploring modern SIP apps — you’ll find a home here.
For Learners, Hobbyists, and Makers
For Learners, Hobbyists, and Makers
The project welcomes:
VoIP beginners
PBX hobbyists
Radio/Echolink experimenters
Old-phone collectors
Business phone techs
Security and network testers
Anyone curious about how phones really work
No experience required — everyone starts somewhere.
Join the PNX PBX Community
Join the PNX PBX Community
You can join the project by request.
You’ll receive:
Your extension number
SIP credentials
Setup instructions
Setup assistance (by request)
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