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ITU-R BS.411-4 Fading allowances in HF broadcasting
ITU-T J.27 Signals for the alignment of international sound-programme connections
ITU-T J.57 Transmission of digital studio quality sound signals over H1 channels
ITU-T J.86 Mixed analogue-and-digital transmission of analogue composite television signals over long distances
ITU-T J.55 Digital transmission of high-quality sound-programme signals on distribution circuits using 480 kbit/s (496 kbit/s) per audio channel
ITU-T J.26 Test signals to be used on international sound-programme connections
ITU-T V.42bis Data compression procedures for data circuit-terminating equipment (DCE) using error correction procedures
ITU-T F.105 Operational provisions for phototelegrams
ITU-T F.761 Service-oriented requirements for telewriting applications
ITU-T I.241.1 Teleservices supported by an ISDN : Telephony
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