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5. LSW-511:
Product characteristic
Support SIP2.0 (RFC3261), TCP/UDP/IP, RTP/RTCP/, HTTP, ICMP ARP/RARP, DNS, DHCP, NTP, PPPoE, STUN, and TFTP etc;
Inside Rooter/NAT, gateway, and DMZ Port transmit;
Support VOIP-PSTN and PSTN-VOIP call;(by the FXO Port);
Use the DSP CNOS chip to keeping a wonderful audio-quality, advanced shaking control, and the technology of hiding the lost massage;
Support kinds of voice coding, including G.711 (alaw and u-law), G.723.1 (5.3k/6.3k), G.726 (40K/32K/24K/16K/), G.729A/B, and iLBC;
Support incoming call on show, restricting, and holding, disconnection, call transfer, call divert, DTMF, dialing project, etc;
Support conference call;
Support passing through and T38 fax;
Support layer 2 (802.1Q VLAN, 802.1p) and layer 3 (QoS, DiffServ, ToS);
Support NAT auto- penetrating, no need to modify the setting of the NAT;
Support configuration files by inside IVR equipment, Web browser, or TFTP and HTTP Center Server;
Support upgrading encrypts configuration files by TFTP or HTTP;
Microminiaturize and legerity design (size as a wallet), a adapter that convenient for schlepping.
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