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ETSI GTS GSM 03.15...
BS ISO/IEC 19086-4:2019 Cloud...
ITU-T G.701 Vocabulary of digital transmission and multiplexing, and pulse code modulation (PCM) terms
ITU-T G.736 Characteristics of a synchronous digital multiplex equipment operating at 2048 kbit/s
ITU-T H.120 Codecs for videoconferencing using primary digital group transmission
ITU-T H.261 Video codec for audiovisual services at p x 64 kbit/s
ITU-T I.231.9 Circuit-mode bearer service categories : Circuit-mode 64 kbit/s 8 kHz structured multi-use bearer service
ITU-T I.256.2a Charging supplementary services : Advice of charge: charging information at call set-up time (AOC-S)
ITU-T I.232.3 Packet-mode bearer services categories : User signalling bearer service category (USBS)
ITU-T I.256.2b Charging supplementary services : Advice of charge: charging information during the call (AOC-D)
ITU-T I.256.2c Charging supplementary services : Advice of charge: charging information at the end of the call (AOC-E)
ITU-T N.60 Nominal amplitude of video signals at video interconnection points
ITU-T N.62 Tests to be made during the line-up period that precedes a television transmission
ITU-T N.67 Monitoring television transmissions - Use of the field blanking interval