Home Page Company Products Agents Downloads Feedback Contact Us Company Introduction Mission Legal Statement Products Telephone Terminals Broadband Gateways Relay Proxy Routers Remote Control Server Auto Provision Server Customizes Download Document Software Download F A Q Contact Us TEL: +86(755)8829-0301 FAX: +86(755)8829-0302   You Now Position：Home Page     HOT Products     New Products 1. Support dual protocols: ITU-H.323 V4 and IETF SIP V2. 2. GSM module for making GSM calls. 3. Provide 4 Sim Card ports for GSM extensions. GOIP_4 1. Support dual protocols: ITU-H.323 V4 and IETF SIP V2. 2. GSM module for making GSM calls. 3. Support single or multiple servers registrations. GOIP     Other Products HT-922 2-FXS port VOIP Gateway. Support dual protocols: ITU-H.323 V4 and IETF SIP V2. Provide 2 RJ-11 port for POTS phone or a PBX's trunk line. Provide 2 RJ-45 Ethernet Ports. Support call forward/transfer/hold, phone book. Support G.711 A/μ law, G.729A/B, G.723.1 Codecs. Support QoS, NAT transversal and router function. Support VAD, CNG, EC . HT-842R 4-FXS port VOIP Gateway. Support dual protocols: ITU-H.323 V4 and IETF SIP V2. Provide 4 RJ-11 port for POTS phone or a PBX's trunk line. Provide 4 RJ-45 Ethernet Ports. Support call forward/transfer/hold, phone book. Support G.711 A/μ law, G.729A/B, G.723.1 Codecs. Support QoS, NAT transversal and router function. Support VAD, CNG, EC .