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STANDARDS LIBRARY
REFERENCES
ITU-T R.20 - : References
This document references the following standards:
ITU-T K.21
ITU-T V.21
ITU-T V.24
ITU-T V.28
This document is referenced by the following standards:
ETSI EN 301 124
ETSI EN 301 213-1
ETSI EN 301 179
ETSI EN 301 055
ETSI EN 301 373
ETSI EN 301 021
ETSI EN 301 253
ITU-T S.3
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