ITU-T I.366.2
AAL type 2 service specific convergence sublayer for narrow-band services
现行
发布日期 :
2024-11-01
实施日期 :
ITU-T M.475
Setting up and lining up mixed analogue/digital channels for international telecommunication services
现行
发布日期 :
2025-11-01
实施日期 :
ITU-T Q.83.3
Stage 2 description for call completion supplementary services : Completion of call to busy subscriber
现行
发布日期 :
2025-11-01
实施日期 :
ITU-T Q.956.3
Stage 3 description for charging supplementary services using DSS 1 : Reverse charging
现行
发布日期 :
2017-10-01
实施日期 :
DIN EN ISO 13293
Recreational diving services - Requirements for gas blender training programmes (ISO 13293:2012)
现行
发布日期 :
2001-03-01
实施日期 :
DIN ISO 29995
Education and learning services - Vocabulary (ISO 29995:2021, modified); Text in German and English
现行
发布日期 :
2001-06-01
实施日期 :
DIN EN 17929
Hyperloop Systems - Hyperloop Transport Services; German and English version prEN 17929:2022
现行
发布日期 :
2001-12-01
实施日期 :