ITU-T Y.1223 - : References

This document references the following standards:
ETSI 3GPP TS 23.107
ITU-T SERIES Q SUPP 51
ITU-T Y.2111
ITU-T Y.2171
ITU-T Y.2172
IETF RFC 4804
ITU-T Y.1221
ITU-T Y.1540
ITU-T Y.1541
ITU-T Y.1542
This document is referenced by the following standards:
ATIS 0300100
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