ITU-T H.100-1989 Visual Telephone Systems - Line Transmission of Non-Telephone Signals - Transmission of Sound-Programme and Television Signals (Study Group XV) 7 pp
At the subscriber terminal, the use of ancillary equipments, e.g. for document reproduction, video
Transmission of live pictures such as head and shoulders of one person or a small group of persons,
with moderate definition.
ITU-T H.100-1989 history
1989ITU-T H.100-1989 Visual Telephone Systems - Line Transmission of Non-Telephone Signals - Transmission of Sound-Programme and Television Signals (Study Group XV) 7 pp