ITU-T X.80
Interworking of interexchange signalling systems for circuit-switched data services
现行
发布日期 :
2025-11-01
实施日期 :
ITU-T H.226
Channel aggregation protocol for multilink operation on circuit-switched networks
现行
发布日期 :
2025-09-01
实施日期 :
ITU-T N.21
Limits and procedures for the lining-up of a sound-programme circuit
现行
发布日期 :
2025-11-01
实施日期 :
ITU-T Q.131
Abnormal release conditions of the outgoing register causing release of the international circuit
现行
发布日期 :
2025-11-01
实施日期 :
ITU-R F.555
Permissible noise in the hypothetical reference circuit of radio-relay systems for television
现行
发布日期 :
2028-05-01
实施日期 :
ITU-T E.526
Dimensioning a circuit group with multi-slot bearer services and no overflow inputs
现行
发布日期 :
2012-03-01
实施日期 :
ITU-T M.3208.1
TMN management services for dedicated and reconfigurable circuits network : Leased circuit services
现行
发布日期 :
2024-10-01
实施日期 :
ITU-T O.220
Framework for the End-to-End QoS measurement and supervision for leased circuit services
现行
发布日期 :
2016-03-01
实施日期 :
ITU-T Q.50
Signalling between Circuit Multiplication Equipment (CME) and International Switching Centres (ISC)
现行
发布日期 :
2013-07-01
实施日期 :