keywords: ip pbx voip gateway gsm gateway

OpenVox UC300 IPPBX

IPPBX with 2~5 analog Interfaces;

Up to 300 extension register;

Up to 150 concurrent calls with G.711 codec;

SOHO, Small and Medium Enterprise.

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  • Specifications

    Whether you’re an SMB looking for a cost-effective, scalable phone system or a SOHO requiring an advanced unified communications system, OpenVox UC300 Series will be your first choice.With two distinct offerings, UC300-A11EM1/UC300-A20EM1 and UC300-A14EM1, OpenVox offers a complete set of products designed to meet your communication demand.

    Made from aluminium material, UC300 Series IP PBX exert great importance in dustproof and mothproof with fanless exquisite enclosed design. It is incredibly easy for you to set up UC300 with basic configuration and you can also freely install your own Linux-based software.

    UC300 Series support analog FXO/FXS ports with up to 60 simultaneous calls in one single device. They are developed with a wide selection of codecs and signaling protocols, including G711 (alaw/ulaw), G722, OPUS, AMR-NB/WB, SILK, G723.1 G726, G729, GSM, ADPCM, iLBC, H263, H263P, H264, VP8. Taking full advantages of open source platform, the UC300 Series support industry standard SIP trunks, IAX2 trunks, analog PSTN trunks, and analog station trunks. What’s more, it is very convenient for users to increase ports to expand the system.

    Technical Specification

    • Up to 300 extension register
    • 150 concurrent calls
    • Recording: 86,000 mins (.gsm); 9,500 mins (.wav)
    • Voicemail: 86,000 mins (.gsm); 9,500 mins (.wav)
    • Network Interface: 1×10/100M LAN port
    • USB Port: 1×USB 2.0 for external storage or disaster recovery system
    • External Storage: 1×SD slot, support up to 128G
    • Telephony Interfaces: FXS/FXO interface, Optional
    • Storage: 16GB Onboard Flash
    • RAM: DDR3 1GB
    • 1 MIC Interface: Audio Input
    • 1 SPK Interface: Audio Output
    • Power Consumption: 12V/1.3A,16W Maximum
    • Failover Function (not support with 2 FXO model)
    • Operational Temperature: 0°C to 50 °C
    • Storage Temperature: -20 °C to 65 °C
    • Size: 130*130*40mm
    • Weight: 530g


    • RoHS Compliant
    • Certificates: CE 


    • Firewall
    • Audit
    • Weak keys

    Software & Platform:

    • Linux OS
    Configuration for UC300
      Model  FXS FXO NIC UPS
    UC300-A14EM1 1 4 1 -
    UC300-A11EM2 1 1 2 Y
    UC300-A02EM2 - 2 2 Y
    UC300-A14EM2 1 4 2 Y
  • Features


    • Import/Export Extensions
    • Call Transfer
    • Follow-Me/Ring Group/Queue
    • Quickly Auto Provision IP Phones
    • Support IMS
    • Flexible Inbound/Outbound Route
    • Blacklist
    • AutoCLIP
    • Time Condition
    • PIN List
    • Automated Attendant (IVR)
    • Phonebook
    • LDAP Service
    • Wakeup Service
    • DISA (Direct Inward System Access)
    • Conference
    • Call Back
    • Call Parking
    • Paging and Intercom
    • Speed Dial
    • Call Recording
    • Music On Hold
    • Support Open API Protocol (based on Asterisk)
    • Click2call
    • Support WebRTC
    • Access Control Interface based on ACL
    • AI TTS
    • SIP Instant Messaging


    • Call Detail Records (CDR)
    • Billing Report


    • Up to 8 FXS/FXO (PSTN/POTS) Analog Port
    • Support SIP & IAX2
    • Abundant HD voice codecs: OPUS, AMR-NB/WB, G.722, SILK and VP8
    • HD Video Calls
    • Echo Canceller


    • Simple and Convenient Configuration via Web GUI
    • User Portal
    • Extension User Privileges
    • System Administrators Monitor
    • Event Notification
    • Support Backup/Restore
    • Remote Management
    • Hot Standby


    • Network configuration
    • Support Static Route
    • Support Fail2ban
    • Secure SIP calling (TLS encryption)
    • Support Multiple VPN protocols including OpenVPN, L2TP, N2N, SSTP(Not available for EAEU)


    • Voicemail
    • Missed Calls Notification
    • Email Server
    • Antispam support
    • Support Mail Relay
    • Fax to Email


    • Two-Year Warranty (UPS Battery 1 Year)
    • 3-Month "No-Question Asked Return Policy"
  • Demo

    Online Demo

    Username: admin


  • Use Cases