Users: Up to 20

Concurrent Calls: Up to 10

VoIP Trunks: Up to 20

Network Interfaces: 2x 10/100 Mbps Ethernet ports

FXS/FXO/GSM/3G/4G: 2 modular slots for various combinations

Protocols: SIP (RFC3261), IAX2

Voice Codecs: G.711(A/u), G.722, G.729A, GSM, SPEEX, H.264

Storage: 500MB internal + USB/TF card support

Security: Firewall, TLS, SRTP, Fail2Ban

Power: 12V DC, 1A

Dimensions: 160 x 160 x 30 mm

Operating Temperature: 0°C to 40°C