*Standard SIP 2.0 terminal product, powerful applicability, and best for global popularizing; *Support SIP 2.0, TCP/UDP/IP, RTP/RTCP, ICMP, ARP/RARP, NTP, PPPoE, TFTP, HTTP, etc; *Support G.711 (a-law and u-law), G.723.1 (5.3K/6.3K), G.723 (40K/3... - Update: 2007-09-10

*Support SIP2.0 (RFC3261), TCP/UDP/IP, RTP/RTCP, HTTP, ICMP, ARP/RARP, DNS, NTP, STUN, and TFTP etc; *Use the DSP CNOS chip to keep a wonderful audio-quality, advanced shaking control, and the technology of hiding the lost message; *Support k... - Update: 2007-09-10

Supports SIP 2.0 . Supports TCP/UDP/IP, RTP/RTCP, HTTP, ICMP, ARP/RARP, DNS, NTP, PPPoE.STUN,TFTP protocols Supports NAT, DMZ and port forwarding. Advanced Digital Signal Processing (DSP) to ensure superb hi-fidelity audio quality, suit with t... - Update: 2007-09-10

Supports SIP 2.0 . Supports TCP/UDP/IP, RTP/RTCP, HTTP, ICMP, ARP/RARP, DNS, NTP, PPPoE.STUN,TFTP protocols Supports NAT, DMZ and port forwarding. Advanced Digital Signal Processing (DSP) to ensure superb hi-fidelity audio quality, suit with t... - Update: 2007-09-10

Effective transmission range is 30m to 100m (class 1). Talk time 6 hrs typical . Standby time 120 hrs typical. Bluetooth version ver.1.2 . Frequency 2.402 - 2.480 hhz(2.4 ghz ism band). Use dot matrix LCD module (112x64,128X64). Supports multi... - Update: 2007-09-10

Effective transmission range is 30m to 100m (class 1). Talk time 6 hrs typical . Standby time 120 hrs typical. Bluetooth version ver.1.2 . Frequency 2.402 - 2.480 hhz(2.4 ghz ism band). Use dot matrix LCD module (112x64,128X64). Supports multi... - Update: 2007-09-06

Uses the latest DSP special chip, and combine 2.4GHz wireless module. Low noise,digital tone,exceed long distance. Dial hand-free, LCD glass screen night light function. Strong telephone keyboard to receive & dial out call conveniently. Call ID f... - Update: 2007-09-06

Compatible for USB1.1 and USB2.0. No Sound card and External Power need. USB plug, Installation and operation are very easy. Operation Indication is easy to be understood. Ring indicator for incoming call. Full function keypad. Guarantee you to m... - Update: 2007-09-06

Monochrome 128*64 pixel dot-matrix graphic LCD ,Supports all kinds of languages. Skype Contact List, Call List and time display on LCD screen. 8 classical 4-polyphonic ring tones catering to different tastes. Rings loudly on an incoming call. Ful... - Update: 2007-09-06

Support LCD brightness setting on the phone. Support the setting of Windows sound device. Support function key. Support holding and switching of calls Support mute switching of Mac. Support free selection of the platforms. Support language sett... - Update: 2007-09-06