GYFW-6020 is a kind of voice communication terminal, which is based on wide band, and independent of PC (personal computer).Voice FeaturesSupport IAX2 and SIP RFC3261 synchronouslyCodec: G.711A/u, G.7231 high/low, G.729Echo cancellation: Support G.168, and Hands-free can support 96msSupport Voice Gain Setting, Jitter Buffer, VAD, CNG, dual GK, call forward, and Peer to PeerNAT 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 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 ID.Support conference call and voice recordEnglish, Spanish, Czechoslovak alternativeNetwork 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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Access gateway, available in models from 4 FXS/FXO to 48 ports.Key FunctionsMGCP or SIP access gateways;SIP-PSTN analog gateway;Routing (based on called number or other criteria);Radius based CDR for
Voip Phone, Ip phone, phone, sip phone, usb phone, skype phone, net 2 phoneProtocol:1) SIP call signaling-FC3261 with backward compatible with RFC25432) RTP (RFC1889), RTCP (RFC1890)3) SDP (RFC2327)4)
Features:1) linux operation system2) h.264/mpeg/1/2/4/divx decoding, digital album display3) on-screen display4) tv and audio program receiving5) video on demand, audio on demand, karaoke6) instant me
Trunking Gateway configuration varies from 1 to 4E1/T1 interfacesKey Features:Flexible configuration up to 8 T1/E1G.711, G.723.1, G.729A codecG.168 echo cancellationDTMF relay and fax relayRedundant p
Features:1. Soft switch: based on robust Linux 9.0 for reliable operation. Utilize oracle,and Postal database with high reliability and efficiency. Supporting multi-protocols - H.323, MGCP and SIP, co
1. GYDY101-811E makes use of existing ordinary twisted paired telephone line to realize high-speed access to the Internet.2. The modem`s USB capabilities allow for easy Plug-n-Play functionality with
Key features1. Mmgcp or sip access gateways2. Sip-pstn analog gateway3. Routing (based on called number or other criteria)4. Radius based cdr for accounting5. Stun client for nat transversal; flexible
Features* High-Speed internet surfing* Short text message receiving and sending* A phonebook with large volume: 150 columns( can save 3 numbers per column)* Speed dialing with a 99-numbers memory* Pol
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