Internet Protocol TV (IPTV) is delivering digital television via internet protocols over an internet connection as opposed to OTA, cable, or satellite delivery. The service can be free for some content but a lot of times you need to subscribe to a "channel". You'll need a relatively fast internet connection and some sort of device to decode. Either thru SmartApps on your tv or a STB of some sort.hooking up tv to receiver via stream. what is IPTV?