ITU-T X.1251 - : References

This document references the following standards:
ITU-T X.1250
ITU-T Y.2701
ITU-T Y.2091
ITU-T X.1205
ITU-T X.1252
ITU-T Y.2720
ETSI TR 133 980
This document is referenced by the following standards:
ITU-T X.1258
ITU-T X.1038
ITU-T X.1604
ITU-T D.1140
ITU-T X.1261
ATIS 1000044
ITU-T X.1643
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