ITU-T I.256.2a
Charging supplementary services : Advice of charge: charging information at call set-up time (AOC-S)
现行
发布日期 :
2012-03-01
实施日期 :
DIN EN IEC 60802
Time-sensitive networking profile for industrial automation (IEC 65C/949/CD:2019); Text in English
现行
发布日期 :
2001-12-01
实施日期 :