ITU-T X.1121 - : References

This document is referenced by the following standards:
ATIS 1000029
ITU-T X.1114
ITU-T X.1123
ITU-T Y.2720
ITU-T X.1171
ITU-T X.1034
ITU-T X.1126
ITU-T X.1147
ITU-T SERIES Y SUPP 71
ITU-T X.1454
ITU-T F.740.7
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