ITU-T Q.731.4 - : References

This document references the following standards:
ITU-T Q.731.3
ITU-T E.164
ITU-T I.251.3 (REV 1)
ITU-T I.251.4 (REV 1)
ITU-T Q.730
ITU-T Q.731.3
ITU-T Q.761
ITU-T Q.762
ITU-T Q.763
ITU-T Q.764
ITU-T Q.81.3
ITU-T Q.951.4
This document is referenced by the following standards:
ETSI TS 129 163
ETSI TS 129 164
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