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ITU-R SM.1009-1 Compatibil- ity ...
ITU-R SM.1135-0 SINPO and SINPFEMO ...
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ITU-T E.724 GOS parameters and target GOS objectives for IN services
ITU-T E.440 Customer satisfaction point
ITU-T E.458 Figure of merit for facsimile transmission performance
ITU-T E.492 Traffic reference period
ITU-T X.31 Support of packet mode terminal equipment by an ISDN
ITU-T X.211 Information technology - Open Systems Interconnection - Physical service definition
ITU-T X.214 Information technology - Open Systems Interconnection - Transport service definition
ITU-T X.212 Information technology - Open Systems Interconnection - Data Link service definition
ITU-T I.580 General arrangements for interworking between B-ISDN and 64 kbit/s based ISDN
ITU-T X.215 Information technology - Open Systems Interconnection - Session service definition
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