CPU: Specific processor details are not publicly disclosed by OpenVox.

RAM: 1GB DDR3

Storage:
Internal: 16GB onboard flash memory
External: 1× SD card slot, supporting up to 128GB

Telephony Interfaces:
FXS Ports: 1 (for connecting analog phones or fax machines)
FXO Ports: 4 (for connecting to the Public Switched Telephone Network)
Network Interfaces:
1 × 10/100 Mbps RJ45 Ethernet port
USB Port: 1 × USB 2.0 for external storage or disaster recovery
Audio Interfaces:
1 × MIC input
1 × SPK output

Performance:
Maximum Extensions: Up to 800 extension registrations

Concurrent Calls:
Up to 300 concurrent calls using G.711 codec
Up to 100 concurrent calls using G.729 codec

Recording Capacity:
Approximately 86,000 minutes in .gsm format
Approximately 9,500 minutes in .wav format

Software Features:
Operating System: Linux-based system

PBX Features:
Auto-attendant (IVR)
Call forwarding, call waiting, call transfer
Conference calling
Voicemail
Call detail records (CDR)
Call recording
Fax to email
Web-based management interface
Support for SIP and IAX2 protocols
Support for various codecs: G.711, G.722, G.729, OPUS, AMR-NB/WB, SILK, etc.
Support for WebRTC and Click2Call
Multiple VPN protocols: OpenVPN, L2TP, N2N, SSTP

Security Features:
Firewall
Fail2Ban
Secure SIP calling (TLS encryption)
Access control lists (ACL)

Power Supply: 12V DC, ≥0.8A
Maximum Power Consumption: 9.6W
Dimensions: 130 × 130 × 40 mm
Weight: 530g
Operating Temperature: 0°C to 50°C