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ITU-T F.472 Service and operational requirements of the voice-mail store-and-forward service
ITU-T X.161 Definition of customer network management services for public data networks
ITU-T X.77 Interworking between PSPDNs via B-ISDN
ITU-T X.257 AMD 1 Support of authentication parameters
ITU-T X.738 AMD 1 Implementation conformance statement proformas
ITU-T X.750 Information technology - Open Systems Interconnection - Systems Management: Management knowledge management function
ITU-T X.227 AMD 1 Incorporation of extensibility markers
ITU-T X.237 AMD 1 Incorporation of extensibility markers and authentication parameters
ITU-T X.217 AMD 1 Support of authentication mechanisms for the connectionless mode
ITU-T X.791 Profile for trouble management function for ITU-T applications
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