– VoIP GSM gateway with 8 channels, bridging between GSM network and IP-based systems. Designed to slash the cost of telephone calls, it can find the cheapest route and use the most economical SIM card
– Number of GSM channels (Max): 8
– Network type: 850/900/1800/1900MHz
– Protocol: SIP (RFC3261),IAX2
– Transport Protocol: UDP,TCP,TLS,SRTP
– DTMF: RFC2833, SIP INFO, In-band
– Codec: G.711A/U law, G.722, G.723.1, G.726, G.729a.
– Echo Cancellation: ITU-T G.168 LEC
– LAN: 1 (10/100Mbps)
– Network: Static IP, DHCP Client, Firewall, VLAN, DDNS, QoS, OpenVPN
– NAT Traversal: Static NAT, STUN
– Size: 340x210x44mm
– Power Supply: AC 100-240V 50/60Hz 1.5A MAX
– Operation Range: 0° to 40°C, 32° to 104° F
– Storage Range: -20° to 65°C, 4° to 149° F
– Humidity: 10-90% non-condensing