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ITU-T Q.785.2 Erratum 1 ISUP'97 supplementary services - Test suite structure and test purposes (TSS&TP); Erratum to Recommendation ITU-T Q.785.2 (03/1999)
ITU-T J.112 Annex C Data-over-cable service interface specifications: Radio-frequency interface specification using QAM technique
ITU-T E.191 Corrigendum 1 B-ISDN addressing; Corrigendum 1
ITU-T G.722.2 Appendix I Error concealment of erroneous or lost frames
ITU-T G.983.5 A broadband optical access system with enhanced survivability
ITU-T Q.552 Transmission characteristics at 2-wire analogue interfaces of digital exchanges