* ITU-T 勧告

[FIG(short list)[ [1] [[ITU-T]] [[勧告]]
- [[T.50]]
- [[T.51]]
- [[T.52]]
- [[T.53]]
- [[T.55]]
- [[T.61]]
- [[T.62]]
- [[T.100]]
- [[T.101]]
]FIG]