Last Modified On: 24-12-2025OpenVox UC501 IPPBX – Modular IP PBX with Built-in UPS for Small & Medium Businesses
Experience reliable, flexible business telephony with the OpenVox UC501 IPPBX—the upgraded successor to the popular UC500 series. This compact, open-source VoIP PBX appliance combines powerful performance, modular analog connectivity, and an integrated uninterruptible power supply (UPS) for uninterrupted communication—ideal for small to medium enterprises (SMEs) transitioning to hybrid VoIP/PSTN systems.
Key Features & Benefits
- Up to 8 modular analog ports—flexible FXO/FXS combinations for seamless integration of VoIP trunks and legacy PSTN lines
- Modular & expandable design—Detachable chassis with support for 2FXO, 2FXS, or 1FXO+1FXS modules (customize with up to 4 modules)
- Built-in Uninterruptible Power Supply (UPS)—Ensures system stability and call continuity during power outages
- High-performance Quad-Core processor—handles up to 150 concurrent calls (G.711 codec) and up to 1000 extension registrations
- Open-source flexibility—pre-installed with OpenVox IPPBX or fully compatible with FreePBX, Asterisk, and other platforms
- Fanless galvanized steel enclosure—silent operation, dust-resistant, and reliable in demanding environments
- Dual 10/100 Mbps Ethernet ports—supports multiple network modes (WAN/LAN, bridge, etc.)
- Rich enterprise telephony features—IVR, call recording, voicemail, conference calling, call parking, DISA, paging, music on hold, and more
- Broad codec & protocol support—G.711, G.722, G.729, OPUS, AMR-NB/WB, SILK, GSM, iLBC + video codecs (H.263, H.264, VP8)
Ideal For
- Small to medium offices migrating from traditional telephony to VoIP while keeping analog lines
- Businesses needing high availability (built-in UPS protects against power failures)
- Cost-effective open-source Asterisk or FreePBX deployments
- Environments requiring silent, reliable hardware (fanless operation)
Why Choose OpenVox UC501?
The UC501 delivers the perfect balance of flexibility, performance, and reliability for growing businesses. Its modular design lets you adapt port configurations without replacing the entire unit, while the built-in UPS adds critical uptime protection not commonly found in this price range.
Ready to transform your business communication?
Contact us for custom configurations, module options, pricing, or a free consultation on the OpenVox UC501 IPPBX.
