Mobile : 2 x GSM/CDMA/UMTS Channel
• GSM Frequency: 850/900/1800/1900 MHz
• UMTS Frequency : 850/1900 MHz, 850/2100 MHz, 900/2100 MHz
• CDMA Frequency: 800 MHz
• Protocol: SIP, IAX2
• Transport: UDP, TCP, TLS, SRTP
• Voice Codec: G.711 (alaw/ulaw), G.722, G.726, G.729A, GSM, ADPCM, Speex
• Echo Cancellation: ITU-T G.168 LEC
• DTMF Mode: RFC2833, SIP INFO, In-band
• Calling Type: Termination (VoIP to GSM/CDMA/UMTS), Origination (GSM/CDMA/UMTS to VoIP)
• LAN: 1 x 10/100Base-T Ethernet
• Network Protocol: FTP, TFTP, HTTP, HTTPS, SSH
• NAT Traversal: Static NAT, STUN
• Network: DHCP, DDNS, Firewall, OpenVPN, Static IP, QoS, Static Route, VLAN
• Power Supply: AC 100-240V
• Operation Range: 0°C to 40°C, 32°F to 104°F
• Storage Range: -20°C to 65°C, -4°F to 149°F
• Humidity: 10-90% non-condensing