With traditional TV, programs are broadcast by being turned into radio waves and beamed through the air to a rooftop antenna on your home. The antenna converts the waves back into electrical signals and your TV set decodes them to make its sound and picture.
1) Video on Demand 2) Near Video on Demand 3) Time-shifted TV 4) TV on Demand (TVoD) 5) Live Television
IPTV refers to Internet-based Protocol Television where internet is used to deliver TV programs & Videos that are either live or on demand. IPTV is a system where digital television service is delivered to the subscriber through Internet protocol technology via the medium of broadband or internet connection.