... QQ, MSN, Talk, Yahoo, Sip Discount, X-Lite, Eyebeam, X-pro, Sipgate, IPhone, Vonage, UBIFONE, Imtel, Voip Buster, Voip discount , ... VoipWise Onet2phone; 6. Free-hand function.Specifications1.Physical Connectors: One USB Port2. Keypad: DTMF keys 0~9, #,*,4 soft defined ... ~40 degreeSystem Requirements1. Pentium MMX 300MHz or above, with USB Interface, minimum 128MB RAM or more 2. Broadband or 56Kbps ...