Definitions for "H.242"
ITU-TSS recommendation "System for establishing communications between audiovisual terminals using digital channels up to 2 Mbps".
part of the ITU-T's H 320 family of video interoperability recommendations. This one specifies the protocol for and audio session and taking it down after the communication has ended.
CCITT recommendation regarding a system for establishing communication between audiovisual terminals using digital channels up to 2 Mbps.
Call set-up and disconnect of two point videoconferencing.