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VOIP Gateway Sg-920 (Two Port)
SG-920 VOIP GatewaySG-920 is a kind of voice communication terminal which is based on wide band and independent of PC (personal computer) .Voice FeaturesSupport SIP RFC3261Support IAX2Codec: G. 711a / u, G. 7231 high / low, G. 729Echo cancellation: Support G. 168Support Voice Gain Setting, Jitter Buffer, VAD, CNGNAT transverse: support STUN client, Citron, AVSSIP support SIP domain, SIP authentication (none, basic, MD5) , DNS name of server, Peer to PeerSIP support pubic / Private server. Can connect to Public ISP and Private SIP server at the same timeSIP support dual public serverDTMF: Support SIP info, DTMF Relay, RFC2833SIP application: support Call forward / transfer / holding / waitingCall control features: Flexible dial map, support Hotline, Empty calling No. Reject service, Black list for reject authenticated call, No disturb, Caller IDSupport T. 38 FaxNetwork FeaturesWAN / LAN: Support Bridge and Router modelSupport basic NAT and NAPTSupport PPPoE for xDSLSupport DHCP Client on WANSupport DHCP Server on LANSupport DNS Relay, SNTP Client, FirewallNetwork tools in telnet server: Including ping, race route, telnet clientMaintenance and ManagementSupport Boot MonitorCan upgrade firmware through boot monitorCan config through Web, keypad, TelnetCan upgrade firmware and configuration file through HTTP, FTP, TFTPSupport Syslog
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