Summary

Recommendation ITU-T H.772 describes mechanisms for Internet protocol television (IPTV) terminal device (TD) discovery that make IPTV terminal devices discoverable and selectable to one another within a public or local network environment. For example, terminal device discovery is useful for services that allow users to share content with other terminal devices. This Recommendation also describes the connection model and functional architecture for IPTV terminal device functional blocks to support the IPTV terminal device discovery mechanism. Moreover, the procedures of IPTV terminal device discovery are given in this Recommendation. In addition, the reference point, the related protocols, elements and attributes to be used in the communication messages are also specified in this Recommendation.