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IPTV (Internet Protocol Television) works by delivering TV channels, movies, and shows through the internet instead of traditional cable or satellite systems. The content is first collected from broadcasters or media providers, then digitally compressed and encoded into data packets using video formats like H.264 or H.265. These packets are streamed over an IP network from IPTV servers to users in real time or on demand. When a user selects a channel or video on a compatible device such as a smart TV, mobile phone, or computer, the IPTV app or middleware requests the stream from the server, which is then delivered through a broadband or mobile internet connection and played instantly on the screen.