Definitions of IPTV on the Web

• Internet Protocol Television (IPTV) has become a common denominator for systems where television and/or video signals are distributed to subscribers or viewers using a broadband connection over Internet Protocol. Often this is in parallel with the subscriber's Internet connection, supplied by a broadband operator using the same infrastructure but over a dedicated bandwidth allocation. en.wikipedia.org/wiki/IPTV
  
  
• (Internet Protocol TV, Internet Protocol Television, IP-TV, IP-based Video, IP-based VOD system, IPTV Broadcasting) – Receiving TV and/or video signals and/or other multimedia services via your Internet connection, in particular your broadband connection. A set-top box can be used for this. Better IPTV set-top boxes allow you to connect multiple TVs for wider distribution of services within the home. Telcos, Broadband IP operators & cable TV providers might offer IPTV. www.ripe.tv/dictionary.i.html