VOIP stands for Voice Over Internet Protocol, also referred to as Voice Over IP. It is another term for Internet Telephony. In a VOIP application, phone calls are conducted via the Internet, rather than dedicated phone lines. VOIP is actually a family of Internet technologies and communications protocols. The types of VOIP tools most commonly used are IP Phones,Software VoIP and Mobile and Integrated VoIP. Small business VOIP is a common, flexible, and economical choice for small businesses.