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ITU-T J.86 Mixed analogue-and-digital transmission of analogue composite television signals over long distances
ITU-T J.26 Test signals to be used on international sound-programme connections
ITU-T X.141 Corrigendum 1 General principles for the detection and correction of errors in public data networks; Corrigendum 1
ITU-T V.42bis Data compression procedures for data circuit-terminating equipment (DCE) using error correction procedures
ITU-T D.43/D.90/D.151 Corrigendum 1 Partial and total refund of charges in the international public telegram service; Corrigendum 1
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
ITU-T I.241.2 Teleservices supported by an ISDN : Teletex
ITU-T I.241.3 Teleservices supported by an ISDN : Telefax 4
ITU-T I.241.4 Teleservices supported by an ISDN : Mixed mode
ITU-T I.241.5 Teleservices supported by an ISDN : Videotex