Features:
1) USB 2.0 port
2) 16 bit sound card inside, the PC can be without sound card
3) Supports H.323, SIP, MGCP etc. lot of protocols
4) Supports product serial write in
5) With HID (Human Interface Device) feature
6) Plug and play to install USB driver
7) No driver needed for Win98 SE/Win ME/ Win 2000/Win XP/ Mac OS/Mac OS X
8) With PID (Physical Interface Device) feature
9) Implement "Real-Time" verification
10) Compatible with major PC's Internet phone application software
11) Provides ringer generation for PC to PC call through existing IP phone applications
12) Optional ITSP application software with credit for PC to phone connection
13) ALED to indicate power and linking status
14) Adjustable volume for handset
15) Supports E.164 dialing rule
16) Record support
17) The powered via the USB port with no need for a power adaptor
18) It can support Skype, MSN, net2phone, etalk, Stanaphone, SJphone, X-Lite, X-PRO,
Firefly, eyebeam, Baoshitong etc. software