Last Modified On: 24-12-2025OpenVox UC300 IPPBX – Compact & Affordable IP PBX for SOHO and Small Businesses
The OpenVox UC300 Series is a powerful, open-source VoIP PBX appliance tailored for small offices, home offices (SOHO), and small to medium enterprises (SMEs). It delivers full-featured business telephony with seamless integration of VoIP and legacy analog lines—all
in a compact, fanless, aluminium enclosure for silent and reliable operation.
Key Features & Benefits
- 2–5 modular analog ports (FXO/FXS combinations)—easily connect legacy PSTN lines and analog phones/devices
- Compact & fanless aluminum design—silent operation, dust-resistant, ideal for office environments
- High performance for small setups—supports up to 150 concurrent calls (G.711 codec) and up to 300 extension registrations
- Open-source flexibility—pre-installed with OpenVox IPPBX or fully compatible with Asterisk, FreePBX, and other platforms
- Dual 10/100 Mbps Ethernet ports—supports multiple network modes (WAN/LAN, bridge, etc.)
- Rich enterprise-grade features—IVR (auto attendant), call recording, voicemail, conference calling, call parking, DISA, paging/intercom, music on hold, call queues, ring groups, and more
- Broad codec & protocol support—G.711 (alaw/ulaw), G.722, G.729, OPUS, AMR-NB/WB, SILK, G.726, GSM, iLBC, ADPCM + video codecs (H.263, H.263P, H.264, VP8)
- Industry-standard trunk support—SIP, IAX2, analog PSTN trunks, and analog station trunks
- Additional advanced capabilities—Fail2Ban security, TLS/SRTP encryption, WebRTC support, fax-to-email, LDAP phonebook, and backup/restore functions
Ideal For
- SOHO and small offices (up to 60–100 users) needing cost-effective VoIP + analog hybrid system
- Businesses transitioning from traditional telephony while keeping existing analog lines/phones
- Cost-sensitive deployments requiring open-source flexibility (Asterisk/FreePBX)
- Environments where silent, compact, and reliable hardware is essential
Why Choose OpenVox UC300?
The UC300 offers an excellent price-to-performance ratio for entry-level business telephony. It provides full PBX functionality in a small footprint, with easy setup and strong interoperability — making it the perfect starting point for growing teams that want professional communication without complexity or high costs.
Ready to deploy a reliable phone system for your small business?
Contact us for exact model configurations (e.g., UC300-A11EM1, UC300-A20EM1), licensing options, pricing, or a free consultation on the OpenVox UC300 IPPBX.
