Yeastar Tg100 Gateway

Number of gsm channels (max):1 network type:850/900/1800/1900mhz protocol:sip (rfc3261), iax2 transport protocol:udp,tcp,tls,srtp dtmf:rfc2833, sip info, in-band codec:g.711 a/u-law, g.722, g.726, g.729a, gsm, adpcm, speex echo cancellation:itu-t g.168 lec lan:1 (10/100 mbps) network:static ip, dhcp client, firewall, vlan, ddns, qos, openvpn nat traversal: static nat, stun size:110x70x24mm power supply:ac 100~240v/50~60hz (dc 12v, 1a) 1 year warranty