This Recommendation defines a protocol operating through the hierarchy of a multipoint communication domain.
ITU-T T.125-1998 history
1998ITU-T T.125-1998 Multipoint Communication Service Protocol Specification - Series T: Terminals for Telematic Services Study Group 16; 144 pp
1994ITU-T T.125-1994 (WITHDRAWN) Multipoint Communication Service Protocol Specification - Telematic Services Terminal Equipments and Protocols for Telematic Services Study Group 8; 172 pp