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Radius based CDR for accounting; .. STUN client for NAT transversal; .. Flexible interface for analog phones, fax, traditional PBX with analog trunks. Main Applications .. Remote SIP access gateway for IP-PBX; .. IP based wide area PBX for enterprise, government branches and schools; .. VoIP Long Distance application for IP phone supermarkets and enterprises; .. Carrier primary and secondary line service; .. Small and home offices In conjunction with soft switch or IP-PBX servers,It can provide the following features: Fax and Modem service GY8 series supports fax tone detection and codec bypass (T.30),and fax relay (T.38) function. Supported Protocols Codec: G.711, G.723.1, G.729A;G.168 echo cancellation; .. Session Initiated Protocol (SIP) .. Media Gateway Control Protocol (MGCP) .. Real Time Transport Protocol(RTP) .. TFTP for remote software upgrade .. HTTP for system and interface configuration and monitoring .. SNMP v.1, v.2, v.3 .. Teln

Feature • Supporting DECT, 2.4G, 900M and any other wireless phones • Make/Receive both Skype calls and regular PSTN calls • Auto-detection and auto-switch to Skype or PSTN calls • Phone rings for all incoming Skype and PSTN calls • Skype or PSTN calls selected by phone key (*) • Dial using the phone keypads • PC-to-PC, PC-to-phone, Phone to Phone operation Hardware • No external power required • USB and PSTN line LED indicator • Driver and sound card built-in Interface • 1 USB interface to PC • 1 FXS for regular phone • 1 FXO for PSTN call relays • Relay Deactivated on Power Fail System requirement • Windows 2000 or XP • 400 MHz processor and free USB1.1 or USB2.0 port • 128 MB RAM and 15 MB free disk space • Internet Connection (33.6 Kbps modem, or any broadband: cable, ADSL.)

Software: 1) H.323 V4, MGCP, SIP, Net2 phone private protocol 2) Audio codec G.711, G.723, G.729 3) DHCP support for LAN or Cable modem 4) PPPoE support for ADSL or Cable modem 5) Set phone by HTTP web browser (IE6.0) or Telnet 6) Upgrade by FTP 7) VAD (Voice active detect) 8) CNG (Comfort noise generation) 9) Dynamic voice jitter buffer 10) G.168/165 compliant 16ms echo cancellation 11) Tone generation and Local DTMF re-generation according with ITU-T 12) E.164 dial plan and customized dial rules 13) 100 entries for quick dial 14) 80 entries each for missed calls, answered calls and dialed calls 15) Adjustable volume for both handset and speaker 16) Voice prompt 17) Hotline Electric specifications: 1) Voltage: 7.5V - 20V DC 2) Power adapter: DC 12V/450mA 3) Network interface: 1/2 RJ-45 Ethernet connectors