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ITU-T X.462 Information technology - Message Handling Systems (MHS) Management: Logging information
ITU-T X.724 Information technology - Open Systems Interconnection - Structure of management information: Requirements and guidelines for implementation conformance statement proformas associated with OSI management
ITU-T V.11 Electrical characteristics for balanced double-current interchange circuits operating at data signalling rates up to 10 Mbit/s
ITU-T J.81 Corrigendum 1 Transmission of component-coded digital television signals for contribution-quality applications at the third hierarchical level of ITU-T Recommendation G.702; Corrigendum 1
ITU-T V.120 Support by an ISDN of data terminal equipment with V-series type interfaces with provision for statistical multiplexing
ITU-T X.246 Information technology - Open Systems Interconnection - Connection-oriented Presentation protocol: Protocol Implementation Conformance Statement (PICS) proforma
ITU-T X.247 Information technology - Open Systems Interconnection - Protocol specification for the Association Control Service Element: Protocol Implementation Conformance Statement (PICS) proforma
ITU-T X.25 Interface between Data Terminal Equipment (DTE) and Data Circuit-terminating Equipment (DCE) for terminals operating in the packet mode and connected to public data networks by dedicated circuit
ITU-T X.260 Information technology - Framework for protocol identification and encapsulation
ITU-T X.320 General arrangements for interworking between Integrated Services Digital Networks (ISDNs) for the provision of data transmission services
ITU-T V.38 A 48/56/64 kbit/s data circuit-terminating equipment standardized for use on digital point-to-point leased circuits
ITU-T X.75 Packet-switched signalling system between public networks providing data transmission services