HW PBX — a phone system in your server room
A dedicated server running a full-featured VoIP PBX. One-time investment, no monthly license fees. Your data stays on your premises, your infrastructure under your control.
We respond within 24 hours on business days
Hardware tailored to your needs
We select the server based on your company size and reliability requirements. Pricing is prepared individually based on the specific configuration.
HW PBX
For small and mid-size companies
A dedicated branded server in a 1U rack form factor. A reliable solution for standard business operations with the option to expand voice channels.
- 15 concurrent outbound calls
- 240 GB internal storage
- Rack 1U, 2× Ethernet
- PCIe slot for E1 / ISDN2 card
- Expandable by +10 or +15 channels
Companies with 10–50 users, one to two locations.
Get a quoteHW PBX Unlimited
Maximum performance and reliability
A robust server solution with redundant power supplies, ECC memory, and RAID1 disk array. Optional HA cluster deployment for maximum availability.
- Unlimited outbound calls
- 1 TB internal storage
- Redundant power supplies
- ECC memory, RAID1 disk array
- Optional HA cluster
Companies with 50+ users, call centers, multiple locations.
Get a quotePrice on request — individual quote based on your requirements
The compact µPBX variant based on Raspberry Pi is temporarily unavailable. For small offices, we recommend Cloud PBX.
Web interface preview
Overview of the VoIPSUN PBX admin interface
Technical specifications
Hardware variant comparison.
| HW PBX | HW PBX Unlimited | |
|---|---|---|
| Form factor | Rack 1U | Rack 1U / 2U |
| Storage | 240 GB | 1 TB |
| Concurrent outbound calls | 15 | Unlimited |
| Ethernet ports | 2× | 2× and more |
| RAID | Optional RAID1 | RAID1 included |
| ECC memory | No | Yes |
| Redundant PSU | No | Yes |
| PCIe expansion (E1/ISDN2) | 1× full profile | 1× and more |
| HA cluster | No | Optional |
Why your own hardware
Your data stays with you
Call recordings, configuration, and voicemail are stored on your server in your server room. Full data sovereignty.
One-time investment, no monthly fees
You pay once for hardware and license. No monthly PBX fee — you only pay for voice services.
Full control over infrastructure
The server sits in your server room, managed by your team. SSH access with root privileges, your own network rules.
HA cluster for maximum uptime
The Unlimited variant supports cluster deployment. If one node fails, the other takes over — without interruption.
What's included
All PBX features
IVR, call center, call recording, CRM integration, and 50+ more features included.
Full feature list →Software updates
Security patches and new versions with new features. One-click upgrade via the web interface.
Installation and configuration
Professional installation on your server, configuration to your requirements, and team onboarding.
Request a Quote
Describe what you need — we'll get back to you within 24 hours with a specific proposal.