Definitions of Voice Over IP (VoIP) on the Web:
A voice message delivered using the Internet Protocol. It is a term used in IP telephony for a set of facilities for managing the delivery of voice information using the Internet Protocol. In general, this means sending voice information in digital form in discrete packets rather than in the traditional circuit-committed protocols of the public switched telephone network (PSTN).
www.sasktel.com/business_works/ebusiness_solutions/ebusiness_library/internet_glossary.html
an application that encodes and digitizes a voice signal, converts the signal to data packets, and transports the packets over a data network running Internet protocol (IP).
www.intel.com/network/csp/solutions/contact_cntr/6671web.htm
A collection of hardware and software that enables the use of the Internet as the transmission medium for telephone calls.
myphliputil.pearsoncmg.com/student/bp_jessup_ist_1/JessupGlossary.html
Voice transport over IP networks, such as the Internet. This could allow your company to make enormous savings on telecomms costs by sending voice traffic anywhere around the world via your internet connection.
www.ggrcomms.com/techglos.html
The practice of using an Internet connection to pass voice data using IP instead of using the standard public switched telephone network. This allows a remote worker, for instance, to function as if directly connected to a PBX even while at home or in a remote office. In bypassing the public network, it also avoids standard long distance charges, as the only connection is through an ISP. VoIP is being used more and more to keep corporate telephone costs down.
www.tecksel.com.au/glossary/Default.asp
A rapidly emerging technology that allows transmission of phone calls (two-way audio) over the Internet. Support for this technology can be found in some modems and broadband routers. Also known as IP telephony.
www.source.uk.com/glossary_V.htm
Audio that is transferred over the Internet. IP is the acronym for Internet protocol.
support.conveysystems.com/manual/dictionary.htm
(VoIP) -- A term used in IP telephony which generally means sending voice information in digital form in discrete packets rather than in the traditional circuit-committed protocols of the public switched telephone network (PSTN). A major advantage of VoIP and Internet telephony is that it avoids the tolls charged by ordinary telephone service.
www.ecommercealmanac.com/l/glossary3.cfm
And yes, it is illegal.
He who does not understand the value of war at the right time, cannot comprehend the value of life at any time - Anonymous