Date of Last Update : 16 May 1995 List of ITU-T X-Series Recommendations in force ** - Series X * Public data networks - Services and facilities X.1 (1993) [Rev.1] [6 pp.] [Publ.: Aug.93] International user classes of service in, and categories of access to, public data networks and integrated services digital networks (ISDNs) X.2 (1993) [Rev.1] [22 pp.] [Publ.: Oct.93] International data transmission services and optional user facilities in public data networks and ISDNs X.3 (1993) [Rev.1] [22 pp.] [Publ.: Oct.93] Packet assembly/disassembly facility (PAD) in a public data network X.4 (1988) [Blue Book Fasc. VIII.2] [Publ.: May.89] General structure of signals of International Alphabet No. 5 code for character oriented data transmission over public data networks X.5 (02/92) [New] [8 pp.] [Publ.: Apr.92] Facsimile packet assembly/disassembly facility (FPAD) in a public data network X.6 (1993) [New] [29 pp.] [Publ.: Nov.93] Multicast service definition X.7 (1993) [New] [36 pp.] [Publ.: Dec.93] Technical characteristics of data transmission services X.8 (07/94) [New] [9 pp.] [Publ.: Feb.95] [PN: X.map] Multi-aspect PAD (MAP) framework and service definition Note - C: 40/65/84 X.10 (1993) [Rev.1] [1 pp.] [Publ.: Aug.93] Categories of access for data terminal equipment (DTE) to public data transmission services * Interfaces X.20 (1988) [Blue Book Fasc. VIII.2] [Publ.: May.89] Interface between data terminal equipment (DTE) and data circuit-terminating equipment (DCE) for start-stop transmission services on public data networks X.20 bis (1988) [Blue Book Fasc. VIII.2] [Publ.: May.89] Use on public data networks of data terminal equipment (DTE) which is designed for interfacing to asynchronous duplex V-Series modems X.21 (09/92) [Rev.1] [56 pp.] [Publ.: Mar.93] Interface between data terminal equipment and data circuit-terminating equipment for synchronous operation on public data networks X.21 bis (1988) [Blue Book Fasc. VIII.2] [Publ.: May.89] Use on public data networks of data terminal equipment (DTE) which is designed for interfacing to synchronous V-Series modems X.22 (1988) [Blue Book Fasc. VIII.2] [Publ.: May.89] Multiplex DTE/DCE interface for user classes 3-6 X.24 (1988) [Blue Book Fasc. VIII.2] [Publ.: May.89] List of definitions for interchange circuits between data terminal equipment (DTE) and data circuit-terminating equipment (DCE) on public data networks X.25 (1993) [Rev.1] [156 pp.] [Publ.: Dec.93] 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 X.26 (1988) [Blue Book Fasc. VIII.2] [Publ.: May.89] Electrical characteristics for unbalanced double-current interchange circuits for general use with integrated circuit equipment in the field of data communications Note - Same as V.10 X.27 (1988) [Blue Book Fasc. VIII.2] [Publ.: May.89] Electrical characteristics for balanced double-current interchange circuits for general use with integrated circuit equipment in the field of data communications Note - Same as V.11 X.28 (1993) [Rev.1] [53 pp.] [Publ.: Oct.93] DTE/DCE interface for a start-stop mode data terminal equipment accessing the packet assembly/disassembly facility (PAD) in a public data network situated in the same country X.28 Add. (07/94) [Rev.2] [6 pp.] [Publ.: Feb.95] Addendum 1 to Recommendation X.28 to enable MAP support in accordance with Recommendation X.8 Note - C: 40/65/84 X.29 (1993) [Rev.1] [16 pp.] [Publ.: Oct.93] Procedures for the exchange of control information and user data between a packet assembly/disassembly (PAD) facility and a packet mode DTE or another PAD X.30 (1993) [Rev.1] [43 pp.] [Publ.: Nov.93] Support of X.21, X.21 bis and X.20 bis based data terminal equipments (DTEs) by an integrated services digital network (ISDN) Note - Same as I.461 X.31 (1993) [Rev.1] [63 pp.] [Publ.: Dec.93] Support of packet mode terminal equipment by an ISDN Note - Same as I.462 X.32 (1993) [Rev.1] [59 pp.] [Publ.: Oct.93] Interface between DTE and DCE for terminals operating in the packet mode and accessing a packet switched public data network through a public switched telephone network or an integrated services digital network or a circuit switched public data network X.35 (11/93) [New] [Publ.: Nov.94] [PN: X.pvt] Interface between a PSPDN and a private PSDN which is based on X.25 procedures and enhancements to define a gateway function that is provided in the PSPDN Note - C: 8/25/43 X.36 (04/95) [New] [Publ. sched.: Jul.95] Interface between Data Terminal Equipment (DTE) and Data-Circuit-Terminating Equipment (DCE) for public data networks providing frame relay data transmission service by dedicated circuit Note - C: 101/120/146 X.37 (04/95) [New] [Publ. sched.: Jul.95] Encapsulation in X.25 packets of various protocols including frame relay Note - C: 101/120/146 X.38 (02/92) [New] [46 pp.] [Publ.: May.92] G3 facsimile equipment/DCE interface for G3 facsimile equipment accessing the facsimile packet assembly/disassembly facility (FPAD) in a public data network situated in the same country X.39 (02/92) [New] [17 pp.] [Publ.: May.92] Procedures for the exchange of control information and user data between a facsimile packet assembly/disassembly (FPAD) facility and a packet mode data terminal equipment (DTE) or another FPAD * Transmission, signalling and switching X.50 (1988) [Blue Book Fasc. VIII.3] [Publ.: Nov.89] Fundamental parameters of a multiplexing scheme for the international interface between synchronous data networks X.50 bis (1988) [Blue Book Fasc. VIII.3] [Publ.: Nov.89] Fundamental parameters of a 48-kbit/s user data signalling rate transmission scheme for the international interface between synchronous data networks X.51 (1988) [Blue Book Fasc. VIII.3] [Publ.: Nov.89] Fundamental parameters of a multiplexing scheme for the international interface between synchronous data networks using 10-bit envelope structure X.51 bis (1988) [Blue Book Fasc. VIII.3] [Publ.: Nov.89] Fundamental parameters of a 48-kbit/s user data signalling rate transmission scheme for the international interface between synchronous data networks using 10-bit envelope structure X.52 (1988) [Blue Book Fasc. VIII.3] [Publ.: Nov.89] Method of encoding anisochronous signals into a synchronous user bearer X.53 (1993) [Rev.1] [1 pp.] [Publ.: Jun.94] Numbering of channels on international multiplex links at 64 kbit/s X.54 (1988) [Blue Book Fasc. VIII.3] [Publ.: Nov.89] Allocation of channels on international multiplex links at 64 kbit/s X.55 (1988) [Blue Book Fasc. VIII.3] [Publ.: Nov.89] Interface between synchronous data networks using a 6 + 2 envelope structure and single channel per carrier (SCPC) satellite channels X.56 (1988) [Blue Book Fasc. VIII.3] [Publ.: Nov.89] Interface between synchronous data networks using an 8 + 2 envelope structure and single channel per carrier (SCPC) satellite channels X.57 (1988) [Blue Book Fasc. VIII.3] [Publ.: Nov.89] Method of transmitting a single lower speed data channel on a 64 kbit/s data stream X.58 (1988) [Blue Book Fasc. VIII.3] [Publ.: Nov.89] Fundamental parameters of a multiplexing scheme for the international interface between synchronous non-switched data networks using no envelope structure X.60 (1988) [Blue Book Fasc. VIII.3] [Publ.: Nov.89] Common channel signalling for circuit switched data applications X.61 (1988) [Blue Book Fasc. VIII.3] [Publ.: Nov.89] Signalling System No. 7 - Data user part X.70 (1988) [Blue Book Fasc. VIII.3] [Publ.: Nov.89] Terminal and transit control signalling system for start-stop services on international circuits between anisochronous data networks X.71 (1988) [Blue Book Fasc. VIII.3] [Publ.: Nov.89] Decentralized terminal and transit control signalling system on international circuits between synchronous data networks X.75 (1993) [Rev.1] [104 pp.] [Publ.: Dec.93] Packet-switched signalling system between public networks providing data transmission services X.76 (04/95) [New] [Publ. sched.: Jul.95] Network-to-network interface between public data networks providing the frame relay data transmission service Note - C: 101/120/146 X.80 (1988) [Blue Book Fasc. VIII.3] [Publ.: Nov.89] Interworking of interexchange signalling systems for circuit switched data services X.81 (1988) [Blue Book Fasc. VIII.3] [Publ.: Nov.89] Interworking between an ISDN circuit-switched and a circuit-switched public data network (CSPDN) X.82 (1988) [Blue Book Fasc. VIII.3] [Publ.: Nov.89] Detailed arrangements for interworking between CSPDNs and PSPDNs based on Recommendation T.70 * Network aspects X.92 (1988) [Blue Book Fasc. VIII.3] [Publ.: Nov.89] Hypothetical reference connections for public synchronous data networks X.96 (1993) [Rev.1] [6 pp.] [Publ.: Aug.93] Call progress signals in public data networks X.110 (1988) [Blue Book Fasc. VIII.3] [Publ.: Nov.89] International routing principles and routing plan for public data networks X.115 (04/95) [New] [Publ. sched.: Jul.95] [PN: X.atc] Definition of address translation capability in public data networks Note - C: 101/120/146 X.121 (09/92) [Rev.1] [17 pp.] [Publ.: Feb.93] International numbering plan for public data networks X.122 (09/92) [New] [39 pp.] [Publ.: Mar.93] Numbering plan interworking for the E.164 and X.121 numbering plans Note - Same as E.166 (new text) X.130 (1988) [Blue Book Fasc. VIII.3] [Publ.: Nov.89] Call processing delays in public data networks when providing international synchronous circuit-switched data services X.131 (1988) [Blue Book Fasc. VIII.3] [Publ.: Nov.89] Call blocking in public data networks when providing international synchronous circuit-switched data services X.134 (09/92) [Rev.1] [10 pp.] [Publ.: Apr.93] Portion boundaries and packet layer reference events: basis for defining packet-switched performance parameters X.135 (09/92) [Rev.1] [29 pp.] [Publ.: May.93] Speed of service (delay and throughput) performance values for public data networks when providing international packet-switched services X.136 (09/92) [Rev.1] [18 pp.] [Publ.: Apr.93] Accuracy and dependability performance values for public data networks when providing international packet-switched services X.137 (09/92) [Rev.1] [17 pp.] [Publ.: Apr.93] Availability performance values for public data networks when providing international packet-switched services X.138 (09/92) [New] [38 pp.] [Publ.: May.93] Measurement of performance values for public data networks when providing international packet-switched services X.139 (09/92) [New] [14 pp.] [Publ.: Apr.93] Echo, drop, generator and test DTEs for measurement of performance values in public data networks when providing international packet-switched services X.140 (09/92) [Rev.1] [25 pp.] [Publ.: May.93] General quality of service parameters for communication via public data networks X.141 (1988) [Blue Book Fasc. VIII.3] [Publ.: Nov.89] General principles for the detection and correction of errors in public data networks Note - Corrigendum 06/90 (E) X.144 (04/95) [New] [Publ. sched.: Jul.95] User information transfer performance parameters for data networks providing international frame relay PVC service Note - C: 101/120/146 * Maintenance X.150 (1988) [Blue Book Fasc. VIII.3] [Publ.: Nov.89] Principles of maintenance testing for public data networks using data terminal equipment (DTE) and data circuit-terminating equipment (DCE) test loops X.160 (07/94) [New] [13 pp.] [Publ.: Feb.95] Architecture for customer network management service for public data networks Note - C: 40/65/84 X.161 (04/95) [New] [Publ. sched.: Jul.95] Definition of customer network management services for public data networks Note - C: 101/120/146 X.162 (04/95) [New] [Publ. sched.: Jul.95] Definition of management information for customer network management service for public data networks to be used with the CNMc interface Note - C: 101/120/146 X.163 (04/95) [New] [Publ. sched.: Jul.95] Definition of management information for customer network management service for public data networks to be used with the CNMe interface Note - C: 101/120/146 * Administrative arrangements X.180 (1988) [Blue Book Fasc. VIII.3] [Publ.: Nov.89] Administrative arrangements for international closed user groups (CUGs) X.181 (1988) [Blue Book Fasc. VIII.3] [Publ.: Aug.89] Administrative arrangements for the provision of international permanent virtual circuits (PVcs) * Open Systems Interconnection - General - Model and notation X.200 (07/94) [Rev.1] [59 pp.] [Publ.: Nov.94] Information technology - Open Systems Interconnection - Basic reference model: The basic model Note - C: 40/65/84 X.207 (11/93) [New] [20 pp.] [Publ.: Jun.94] Information technology - Open Systems Interconnection - Application layer structure Note - C: 8/25/43 X.208 (1988) [Blue Book Fasc. VIII.4] [Publ.: Aug.89] Specification of Abstract Syntax Notation One (ASN.1) X.209 (1988) [Blue Book Fasc. VIII.4] [Publ.: Aug.89] Specification of basic encoding rules for Abstract Syntax Notation One (ASN.1) * Service definitions X.210 (11/93) [Rev.1] [Publ. sched.: May.95] Information technology - Open systems interconnection - Basic reference model: conventions for the definition of OSI services Note - C: 8/25/43 X.211 (1988) [Blue Book Fasc. VIII.4] [Publ.: Aug.89] Physical service definition of open systems interconnection for CCITT applications Note - Corrigendum 10/92 X.212 (1988) [Blue Book Fasc. VIII.4] [Publ.: Aug.89] Data link service definition for open systems interconnection for CCITT applications Note - Corrigendum 10/92 X.213 (09/92) [Rev.1] [63 pp.] [Publ.: Apr.93] Information technology - Network service definition for Opens Systems Interconnection Note - ITU-T|ISO/IEC X.213 Amend. 1 (04/95) [Rev.1] [Publ. sched.: Jul.95] Information technology - Open Systems Interconnection - Network service definitions - Amendment 1: Addition of group network addressing and connectionless-mode multicast services Note - C: 101/120/146 X.214 (11/93) [Rev.1] [25 pp.] [Publ.: Jun.94] Information technology - Open Systems Interconnection -Transport service definition Note - C: 8/25/43 X.215 (07/94) [Rev.1] [Publ. sched.: May.95] Information technology - Open Systems Interconnection - Session service definition Note - C: 40/65/84 X.216 (07/94) [Rev.1] [41 pp.] [Publ.: Nov.94] Information technology - Open Systems Interconnection - Presentation service definition Note - C: 40/65/84 X.217 (04/95) [Rev.2] [Publ. sched.: Jul.95] Information technology - Open Systems Interconnection - Service definition for the association control service element Note - C: 101/120/146 X.218 (1993) [Rev.1] [17 pp.] [Publ.: Oct.93] Reliable transfer: Model and service definition X.219 (1988) [Blue Book Fasc. VIII.4] [Publ.: Aug.89] Remote operations: Model, notation and service definition * Connection-mode protocol specifications X.220 (1993) [Rev.1] [4 pp.] [Publ.: Oct.93] Use of X.200-Series protocols in CCITT applications X.222 (04/95) [New] [8 pp.] [Publ. sched.: Jul.95] Use of X.25 LAPB-compatible data link procedures to provide the OSI Connection-mode Data Link service Note - C: 101/120/146 X.223 (11/93) [Rev.1] [35 pp.] [Publ.: Feb.95] Use of X.25 to provide the OSI connection-mode network service for ITU-T applications Note - C: 8/25/43 X.224 (11/93) [Rev.1] [154 pp.] [Publ.: Oct.94] Protocol for providing the OSI connection-mode transport service Note - C: 8/25/43 X.225 (07/94) [Rev.1] [Publ. sched.: May.95] Information technology - Open Systems Interconnection - connection-oriented session protocol: Protocol specification Note - C: 40/65/84 X.226 (07/94) [Rev.1] [60 pp.] [Publ.: Nov.94] Information technology - Open Systems Interconnection - connection-oriented presentation protocol: Protocol specification Note - C: 40/65/84 X.227 (04/95) [Rev.2] [Publ. sched.: Jul.95] Information technology - Open Systems Interconnection - Connection-oriented protocol for the association control service element: Protocol specification Note - C: 101/120/146 X.228 (1988) [Blue Book Fasc. VIII.5] [Publ.: Jul.89] Reliable transfer: Protocol specification X.229 (1988) [Blue Book Fasc. VIII.5] [Publ.: Jul.89] Remote operations: Protocol specification * Connectionless-mode protocol specification X.233 (11/93) [New] [54 pp.] [Publ.: Apr.94] Information technology - Protocol for providing the connectionless-mode network service: protocol specification Note - C: 8/25/43 X.233 Amend. 1 (04/95) [Rev.1] [Publ. sched.: Jul.95] Information technology - Protocol for providing the OSI connectionless-mode network service: Protocol specification - Amendment 1: Multicast extension Note - C: 101/120/146 X.234 (07/94) [New] [18 pp.] [Publ.: Feb.95] Information technology - Protocol for providing the OSI connectionless-mode transport service Note - C: 40/65/84 X.235 (04/95) [New] [Publ. sched.: Jul.95] Information technology - Open Systems Interconnection - Connectionless Session protocol: Protocol specification Note - C: 101/120/146 X.236 (04/95) [New] [Publ. sched.: Jul.95] Information technology - Open Systems Interconnection - Connectionless Presentation protocol: Protocol specification Note - C: 101/120/146 X.237 (04/95) [Rev.1] [Publ. sched.: Jul.95] Information technology - Open Systems Interconnection - Connectionless protocol for the association control service element: Protocol specification Note - C: 101/120/146 * Miscelleanous X.244 (1988) [Blue Book Fasc. VIII.5] [Publ.: Jul.89] Procedure for the exchange of protocol identification during virtual call establishment on packet switched public data networks X.245 (04/95) [New] [Publ. sched.: Jul.95] Information technology - Open Systems Interconnection - Connection-oriented Session protocol: Protocol Implementation Conformance Statement (PICS) proforma Note - C: 101/120/146 X.246 (07/94) [New] [24 pp.] [Publ.: Mar.95] Information technology - Open Systems Interconnection - Connection-oriented presentation protocol: Protocol implementation conformance statement (PICS) proforma Note - C: 40/65/84 X.247 (07/94) [New] [13 pp.] [Publ.: Mar.95] Information technology - Opens Systems Interconnection - Protocol specification for the association control service element: Protocol implementation conformance statement (PICS) proforma Note - C: 40/65/84 X.248 (09/92) [New] [15 pp.] [Publ.: May.93] Reliable transfer service element - Protocol implementation conformance statement (PICS) proforma X.249 (09/92) [New] [12 pp.] [Publ.: Apr.93] Remote operations service element - Protocol implementation conformance statement (PICS) proforma X.255 (04/95) [New] [Publ. sched.: Jul.95] Information technology - Open Systems Interconnection - Connectionless session protocol: Protocol Implementation Conformance Statement (PICS) proforma Note - C: 101/120/146 X.256 (04/95) [New] [Publ. sched.: Jul.95] Information technology - Open Systems Interconnection - Connectionless presentation protocol: Protocol Implementation Conformance Statement (PICS) proforma Note - C: 101/120/146 X.257 (04/95) [New] [Publ. sched.: Jul.95] Information technology - Open Systems Interconnection - Connectionless protocol for the association control service element: Protocol Implementation Conformance Statement (PICS) proforma Note - C: 101/120/146 * Protocol Identification X.264 (11/93) [New] [Publ.: Oct.94] [PN: X.tpid] Transport protocol identification mechanism Note - C: 8/25/43 * Security Protocols X.273 (07/94) [New] [108 pp.] [Publ.: May.95] Information technology - Open Systems Interconnection - Network layer security protocol Note - C: 40/65/84 X.274 (07/94) [New] [50 pp.] [Publ.: Feb.95] [PN: X.tlsp] Information technology - Telecommunication and information exchange between systems - Transport layer security protocol Note - C: 40/65/84 * Layer Managed Objects X.282 (04/95) [New] [Publ. sched.: Jul.95] Elements of management information related to the OSI data link layer Note - C: 101/120/146 X.283 (11/93) [New] [129 pp.] [Publ.: Nov.94] Elements of management information related to the OSI network layer Note - C: 8/25/43 X.284 (07/94) [New] [35 pp.] [Publ.: Feb.95] Elements of management information related to the OSI transport layer Note - C: 40/65/84 * Conformance testing X.290 (04/95) [Rev.2] [Publ. sched.: Jul.95] OSI conformance testing methodology and framework for protocol Recommendations for ITU-T applications - General concepts Note - C: 101/120/146 X.291 (04/95) [Rev.1] [Publ. sched.: Jul.95] OSI conformance testing methodology and framework for protocol Recommendations for ITU-T applications - Abstract test suite specification Note - C: 101/120/146 X.292 (09/92) [New] [212 pp.] [Publ.: Sep.93] OSI conformance testing methodology and framework for protocol Recommendations for CCITT applications - The tree and tabular combined notation (TTcN) X.293 (04/95) [Rev.1] [Publ. sched.: Jul.95] OSI conformance testing methodology and framework for protocol Recommendations for ITU-T applications - Test realization Note - C: 101/120/146 X.294 (04/95) [Rev.1] [Publ. sched.: Jul.95] OSI conformance testing methodology and framework for protocol Recommendations for ITU-T applications - Requirements on test laboratories and clients for the conformance assessment process Note - C: 101/120/146 X.295 (04/95) [New] [Publ. sched.: Jul.95] OSI conformance testing methodology and framework for protocol Recommendations for ITU-T applications - Protocol profile test specification Note - C: 101/120/146 * INTERWORKING BETWEEN NETWORKS - General X.300 (1988) [Blue Book Fasc. VIII.6] [Publ.: Jun.89] General principles for interworking between public networks and between public networks and other networks for the provision of data transmission services X.301 (1993) [Rev.1] [71 pp.] [Publ.: Oct.93] Description of the general arrangements for call control within a subnetwork and between subnetworks for the provision of data transmission services X.302 (1988) [Blue Book Fasc. VIII.6] [Publ.: Jun.89] Description of the general arrangements for internal network utilities within a subnetwork and intermediate utilities between subnetworks for the provision of data transmission services X.305 (1988) [Blue Book Fasc. VIII.6] [Publ.: Jun.89] Functionalities of subnetworks relating to the support of the OSI connection-mode network service X.320 (1988) [Blue Book Fasc. VIII.6] [Publ.: Jun.89] General arrangements for interworking between integrated services digital networks (ISDNs) for the provision of data transmission services X.321 (1988) [Blue Book Fasc. VIII.6] [Publ.: Jun.89] General arrangements for interworking between circuit switched public data networks (CSPDNs) and integrated service digital networks (ISDNs) for the provision of data transmission services Note - Same as I.540 X.322 (1988) [Blue Book Fasc. VIII.6] [Publ.: Jun.89] General arrangements for interworking between packet switched public data networks (PSPDNs) and circuit switched public data networks (CSPDNs) for the provision of data transmission services X.323 (1988) [Blue Book Fasc. VIII.6] [Publ.: Jun.89] General arrangements for interworking between packet switched public data networks (PSPDNs) X.324 (1988) [Blue Book Fasc. VIII.6] [Publ.: Jun.89] General arrangements for interworking between packet switched public data networks (PSPDNs) and public mobile systems for the provision of data transmission services X.325 (1988) [Blue Book Fasc. VIII.6] [Publ.: Jun.89] General arrangements for interworking between packet switched public data networks (PSPDNs) and integrated services digital networks (ISDNs) for the provision of data transmission services Note - Same as I.550 X.326 (1988) [Blue Book Fasc. VIII.6] [Publ.: Jun.89] General arrangements for interworking between packet switched public data networks (PSPDNs) and common channel signalling network (cCSN) X.327 (11/93) [Rev.1] [9 pp.] [Publ.: Nov.94] General arrangements for interworking between packet switched public data networks (PSPDNs) and private data networks for the provision of data transmission services Note - C: 8/25/43 X.340 (1993) [New] [9 pp.] [Publ.: Oct.93] General arrangements for interworking between a packet switched public data network (PSPDN) and the international telex network * Mobile data transmission networks X.350 (1988) [Blue Book Fasc. VIII.6] [Publ.: Jun.89] General interworking requirements to be met for data transmission in international public mobile satellite systems X.351 (1988) [Blue Book Fasc. VIII.6] [Publ.: Jun.89] Special requirements to be met for packet assembly/disassembly facilities (PADs) located at or in association with coast earth stations in the public mobile satellite service X.352 (1988) [Blue Book Fasc. VIII.6] [Publ.: Jun.89] Interworking between packet switched public data networks and public maritime mobile satellite data transmission systems X.353 (1988) [Blue Book Fasc. VIII.6] [Publ.: Jun.89] Routing principles for interconnecting public maritime mobile satellite data transmission systems with public data networks * Management X.370 (1988) [Blue Book Fasc. VIII.6] [Publ.: Jun.89] Arrangements for the transfer of internetwork management information * MESSAGE HANDLING SYSTEMS X.400 (1993) [Rev.1] [80 pp.] [Publ.: Apr.93] Message handling services: Message handling system and service overview Note - See F.400/X.400 X.402 (09/92) [Rev.1] [84 pp.] [Publ.: Jul.93] Message handling systems: Overall architecture X.403 (1988) [Blue Book Fasc. VIII.7] [Publ.: Dec.90] Message handling systems: conformance testing X.407 (1988) [Blue Book Fasc. VIII.7] [Publ.: Dec.90] Message handling systems: Abstract service definition conventions X.408 (1988) [Blue Book Fasc. VIII.7] [Publ.: Dec.90] Message handling systems: Encoded information type conversion rules X.411 (09/92) [Rev.1] [174 pp.] [Publ.: Aug.93] Message handling systems - Message transfer system: Abstract service definition and procedures X.413 (04/95) [Rev.2] [Publ. sched.: Jul.95] Information technology - Message handling systems (MHS): Message store - Abstract service definition Note - C: 101/120/146 X.419 (09/92) [Rev.1] [44 pp.] [Publ.: Jul.93] Message handling systems - Protocol specifications X.420 (09/92) [Rev.1] [116 pp.] [Publ.: Oct.93] Message handling systems: Interpersonal messaging system X.421 (07/94) [New] [11 pp.] [Publ.: Feb.95] Message handling systems: COMFAX use of MHS Note - C: 40/65/84 X.435 (03/91) [New] [120 pp.] [Publ.: Sep.91] Message handling systems: Electronic data interchange messaging system X.440 (09/92) [New] [113 pp.] [Publ.: Oct.93] Message handling systems: Voice messaging system X.445 (04/95) [New] [Publ. sched.: Jul.95] Asynchronous protocol specification - Provision of OSI connection mode network service over the telephone network Note - C: 101/120/146 X.460 (04/95) [New] [Publ. sched.: Jul.95] Information technology - Message Handling Systems (MHS) management: Model and architecture Note - C: 101/120/146 X.480 (09/92) [New] [10 pp.] [Publ.: Jun.93] Message handling systems and directory services - conformance testing X.481 (09/92) [New] [32 pp.] [Publ.: Jul.93] P2 protocol: Protocol implementation conformance statement (PICS) proforma X.482 (09/92) [New] [40 pp.] [Publ.: Jul.93] P1 Protocol - Protocol implementation conformance statement (PICS) proforma X.483 (09/92) [New] [36 pp.] [Publ.: Jul.93] P3 Protocol - Protocol implementation conformance statement (PICS) proforma X.484 (09/92) [New] [42 pp.] [Publ.: Aug.93] P7 protocol - Protocol implementation conformance statement (PICS) proforma X.485 (09/92) [New] [27 pp.] [Publ.: Aug.93] Message handling systems: Voice messaging system protocol implementation conformance statement (PICS) proforma * THE DIRECTORY X.500 (11/93) [Rev.1] [20 pp.] [Publ.: Mar.95] Information technology - Open systems Interconnection - The directory: Overview of concepts, models and services Note - C: 8/25/43 X.501 (11/93) [Rev.1] [153 pp.] [Publ.: Apr.95] Information Technology - Open Systems Interconnection - The directory: Models Note - C: 8/25/43 X.509 (11/93) [Rev.1] [35 pp.] [Publ.: Mar.95] Information technology - Open Systems Interconnection - The directory: authentication framework Note - C: 8/25/43 X.511 (11/93) [Rev.1] [58 pp.] [Publ.: Mar.95] Information technology - Open Systems Interconnection - The directory: Abstract service definition Note - C: 8/25/43 X.518 (11/93) [Rev.1] [102 pp.] [Publ.: Mar.95] Information technology - Open Systems Interconnection - The directory: Procedures for distributed operation Note - C: 8/25/43 X.519 (11/93) [Rev.1] [37 pp.] [Publ.: Mar.95] Information technology - Open Systems Interconnection - The directory: Protocol specifications Note - C: 8/25/43 X.520 (11/93) [Rev.1] [35 pp.] [Publ.: Mar.95] Information technology - Open Systems Interconnection - The directory: Selected attribute types Note - C: 8/25/43 X.521 (11/93) [Rev.1] [21 pp.] [Publ.: Mar.95] Information technology - Open Systems Interconnection - The directory: Selected object classes Note - C: 8/25/43 X.525 (11/93) [New] [33 pp.] [Publ.: Mar.95] Information technology - Open Systems Interconnection - The directory: Replication Note - C: 8/25/43 X.581 (09/92) [New] [21 pp.] [Publ.: Jul.93] Directory access protocol - Protocol implementation conformance statement (PICS) X.582 (09/92) [New] [27 pp.] [Publ.: Jul.93] Directory system protocol - Protocol implementation conformance statement (PICS) * OSI NETWORKING AND SYSTEM ASPECTS - Networking X.610 (09/92) [New] [26 pp.] [Publ.: Aug.93] Provision and support of the OSI connection-mode network service X.612 (09/92) [Rev.1] [19 pp.] [Publ.: Jan.93] Information technology - Provision of the OSI connection-mode network service by packet-mode terminal equipment connected to an integrated services digital network (ISDN) Note - ITU-T|ISO/IEC X.613 (09/92) [New] [11 pp.] [Publ.: Feb.93] Information technology - Use of X.25 packet layer protocol in conjunction with X.21/X.21 bis to provide the OSI connection-mode network service Note - ITU-T|ISO/IEC X.614 (09/92) [New] [9 pp.] [Publ.: Feb.93] Information technology - Use of X.25 packet layer protocol to provide the OSI connection-mode network service over the telephone network Note - ITU-T|ISO/IEC X.622 (07/94) [New] [11 pp.] [Publ.: Feb.95] Information technology - Protocol for providing the connectionless-mode network service: Provision of the underlying service by an X.25 Subnetwork Note - C: 40/65/84 X.623 (07/94) [New] [10 pp.] [Publ.: Feb.95] Information technology - Protocol for providing the connectionless-mode network service: Provision of the underlying service by a subnetwork that provides the OSI data link service Note - C: 40/65/84 * Naming, Addressing and Registration X.650 (01/92) [New] [29 pp.] [Publ.: May.92] Open Systems Interconnection (OSI) - Reference model for naming and addressing X.660 (09/92) [New] [15 pp.] [Publ.: Jan.93] Information technology - Open Systems Interconnection - Procedures for the operation of OSI Registration Authorities - General procedures Note - ITU-T|ISO/IEC X.665 (09/92) [New] [6 pp.] [Publ.: Jun.93] Information technology - Open Systems Interconnection - Procedures for the operation of OSI Registration Authorities: Application processes and application entities Note - ITU-T|ISO/IEC * Abstract Syntax Notation One (ASN.1) X.680 (07/94) [New] [154 pp.] [Publ. sched.: May.95] Information technology - Abstract Syntax Notation One (ASN.1): Specification of basic notation Note - C: 40/65/84 X.680 Amend. 1 (04/95) [Rev.1] [Publ. sched.: Jul.95] Information technology - Abstract Syntax Notation One (ASN.1) - Specification of basic notation - Amendment 1: Extensibility Rules Note - C: 101/120/146 X.681 (07/94) [New] [30 pp.] [Publ. sched.: May.95] Information technology - Abstract Syntax Notation One (ASN.1): Information object specification Note - C: 40/65/84 X.681 Amend. 1 (04/95) [New] [Publ. sched.: Jul.95] Information technology - Abstract Syntax Notation One (ASN.1) - Information object specification - Amendment 1: Extensibility rules Note - C: 101/120/146 X.682 (07/94) [New] [20 pp.] [Publ. sched.: May.95] Information technology - Abstract Syntax Notation One (ASN.1): Constraint specification Note - C: 40/65/84 X.683 (07/94) [New] [11 pp.] [Publ. sched.: May.95] Information technology - Abstract Syntax Notation One (ASN.1): Parameterization of ASN.1 specifications Note - C: 40/65/84 X.690 (07/94) [New] [40 pp.] Information technology - ASN.1 encoding rules: Specification of Basic Encoding Rules (BER), Canonical Encoding Rules (CER) and Distinguished Encoding Rules (DER) Note - C: 40/65/84 X.691 (04/95) [New] [Publ. sched.: Jul.95] Information technology - ASN.1 encoding rules: Specification of Packed Encoding Rules (PER) Note - C: 101/120/146 * OSI MANAGEMENT X.700 (09/92) [New] [11 pp.] [Publ.: Jul.93] Management framework for Open Systems Interconnection (OSI) for CCITT applications X.701 (01/92) [New] [27 pp.] [Publ.: Oct.92] Information technology - Open Systems Interconnection - Systems management overview Note - ITU-T|ISO/IEC 10040 X.701 Amend. 1 (04/95) [Rev.1] [Publ. sched.: Jul.95] Information technology - Open Systems Interconnection - Systems management overview - Amendment 1: Management knowledge management Note - C: 101/120/146 X.701 Corr. 2 (04/95) [New] [Publ. sched.: Jul.95] Information technology - Open Systems Interconnection - Systems management overview - Technical Corrigendum 2 Note - C: 101/120/146 X.710 (03/91) [New] [39 pp.] [Publ.: Aug.91] Common management information service definition for CCITT applications X.711 (03/91) [New] [40 pp.] [Publ.: Aug.91] Common management information protocol specification for CCITT applications X.712 (09/92) [New] [61 pp.] [Publ.: Mar.93] Information technology - Open Systems Interconnection - common management information protocol: Protocol implementation conformance statement proforma Note - ITU-T|ISO/IEC X.720 (01/92) [New] [31 pp.] [Publ.: May.93] Information technology - Open Systems Interconnection - Structure of management information: Management information model Note - ITU-T|ISO/IEC 10165-1 X.721 (02/92) [New] [63 pp.] [Publ.: Oct.92] Information technology - Open Systems Interconnection - Structure of management information: Definition of management information Note - ITU-T|ISO/IEC 10165-2 X.722 (01/92) [New] [50 pp.] [Publ.: Feb.93] Information technology - Open Systems Interconnection - Structure of Management Information: Guidelines for the definition of managed objects Note - ITU-T|ISO/IEC 10165-4 X.723 (11/93) [New] [18 pp.] [Publ.: Jun.94] Information technology - Open Systems Interconnection - Structure of management information: Generic management information Note - C: 8/25/43 X.724 (11/93) [New] [40 pp.] [Publ.: Oct.94] Information technology - Open Systems Interconnection - Structure of management information: Requirements and guidelines for implementation conformance statement proformas associated with OSI management Note - C: 8/25/43 X.730 (01/92) [New] [24 pp.] [Publ.: Feb.93] Information technology - Open Systems Interconnection - Systems Management: Object management function Note - ITU-T|ISO/IEC 10164-1 X.730 Amend. 1 (04/95) [Rev.1] [Publ. sched.: Jul.95] Information technology - Open Systems Interconnection - Systems management: Object management function - Amendment 1: Implementation conformance statement proformas Note - C: 101/120/146 X.731 (01/92) [New] [23 pp.] [Publ.: Jan.93] Information technology - Open Systems Interconnection - Systems Management: State management function Note - ITU-T|ISO/IEC 10164-2 X.731 Amend. 1 (04/95) [Rev.1] [Publ. sched.: Jul.95] Information technology - Open Systems Interconnection - Systems Management: State management function - Amendment 1: Implementation conformance statement proformas Note - C: 101/120/146 X.731 Corr. 1 (04/95) [New] [Publ. sched.: Jul.95] Information technology - Open Systems Interconnection - Systems management: State management function - Technical Corrigendum 1 Note - C: 101/120/146 X.732 (01/92) [New] [17 pp.] [Publ.: Apr.93] Information technology - Open Systems Interconnection - Systems Management: Attributes for representing relationships Note - ITU-T|ISO/IEC 10164-3 X.732 Amend. 1 (04/95) [Rev.1] [Publ. sched.: Jul.95] Information technology - Open Systems Interconnection - Systems management: Attributes for representing relationships - Amendment 1: Implementation conformance statement proformas Note - C: 101/120/146 X.733 (02/92) [New] [20 pp.] [Publ.: Oct.92] Information technology - Open Systems Interconnection - Systems Management: Alarm reporting function Note - ITU-T|ISO/IEC + Corr.1(2/94) X.733 Amend. 1 (04/95) [Rev.1] [Publ. sched.: Jul.95] Information technology - Open Systems Interconnection - Systems management: Alarm reporting function - Amendment 1: Implementation conformance statement proformas Note - C: 101/120/146 X.734 (09/92) [New] [19 pp.] [Publ.: Nov.93] Information technology - Open Systems Interconnection - Systems Management: Event report management function Note - ITU-T|ISO/IEC + Corr.1(9/94) X.734 Amend. 1 (04/95) [Rev.1] [Publ. sched.: Jul.95] Information technology - Open Systems Interconnection - Systems management: Event report management function - Amendment 1: Implementation conformance statement proformas Note - C: 101/120/146 X.735 (09/92) [New] [20 pp.] [Publ.: Mar.93] Information technology - Open Systems Interconnection - Systems Management: Log control function Note - ITU-T|ISO/IEC X.735 Amend. 1 (04/95) [Rev.1] [Publ. sched.: Jul.95] Information technology - Open Systems Interconnection - Systems management: Log control function - Amendment 1: Implementation conformance statement proformas Note - C: 101/120/146 X.736 (01/92) [New] [15 pp.] [Publ.: Aug.92] Information technology - Open Systems Interconnection - Systems Management: Security alarm reporting function Note - ITU-T|ISO/IEC 10164-7 X.736 Amend. 1 (04/95) [Rev.1] [Publ. sched.: Jul.95] Information technology - Open Systems Interconnection - Systems management: Security alarm reporting function - Amendment 1: Implementation conformance statement proformas Note - C: 101/120/146 X.738 (11/93) [New] [59 pp.] [Publ.: Mar.95] Information technology - Open Systems Interconnection - Systems management: Summarization function Note - C: 8/25/43 X.739 (11/93) [New] [Publ. sched.: May.95] Information technology - Open Systems Interconnection - Systems Management: Metric objects and attributes Note - C: 8/25/43 X.740 (09/92) [New] [27 pp.] [Publ.: Mar.93] Information technology - Open Systems Interconnection - Systems Management: Security audit trail function Note - ITU-T|ISO/IEC 10164-8 X.740 Corr. 1 (04/95) [Rev.1] [Publ. sched.: Jul.95] Information technology - Open Systems Interconnection - Systems management: Security audit trail function - Technical Corringendum 1 Note - C: 101/120/146 X.741 (04/95) [New] [Publ. sched.: Jul.95] Information technology - Open Systems Interconnection - Systems management: Object and attributes for access control Note - C: 101/120/146 X.742 (04/95) [New] [Publ. sched.: Jul.95] Information technology - Open Systems Interconnection - Systems management: Usage metering function for accounting purposes Note - C: 101/120/146 X.745 (11/93) [New] [48 pp.] [Publ.: Oct.94] Information technology - Open Systems Interconnection - Systems Management: Test management function Note - C: 8/25/43 X.746 (04/95) [New] [Publ. sched.: Jul.95] Information technology - Open Systems Interconnection - Systems management: Scheduling function Note - C: 101/120/146 * SECURITY X.800 (03/91) [New] [46 pp.] [Publ.: Aug.91] Security architecture for Open Systems Interconnection for CCITT applications X.802 (04/95) [New] [Publ. sched.: Jul.95] Information technology - Lower layers security model Note - C: 101/120/146 X.803 (07/94) [New] [19 pp.] [Publ.: May.95] [PN: X.ulsm] Information technology - Open Systems Interconnection - Upper layers security model Note - C: 40/65/84 X.811 (04/95) [New] [Publ. sched.: Jul.95] [PN: X.authfw] Information technology - Open Systems Interconnection - Security frameworks for open systems: Authentication framework Note - C: 101/120/146 X.830 (04/95) [New] [Publ. sched.: Jul.95] Information technology - Open Systems Interconnection - Generic upper layers security: Overview, model and notation Note - C: 101/120/146 X.831 (04/95) [New] [Publ. sched.: Jul.95] Information technology - Open Systems Interconnection - Generic upper layers security: Security Exchange Service Element (SESE) service definition Note - C: 101/120/146 X.832 (04/95) [New] [Publ. sched.: Jul.95] Information technology - Open Systems Interconnection - Generic upper layers security: Security Exchange Service Element (SESE) protocol specification Note - C: 101/120/146 X.833 (04/95) [New] [Publ. sched.: Jul.95] Information technology - Open Systems Interconnection - Generic upper layers security: Protecting transfer syntax specification Note - C: 101/120/146 * OSI APPLICATIONS - Commitment, Concurrency and Recovery X.851 (11/93) [New] [Publ. sched.: Jun.95] Information technology - Open Systems Interconnection - Service definition for the commitment, concurrency and recovery service element Note - C: 8/25/43 X.852 (11/93) [New] [51 pp.] [Publ.: Nov.94] Information technology - Open Systems Interconnection - Protocol for the commitment, concurrency and recovery service element: Protocol specification Note - C: 8/25/43 * Transaction processing X.860 (09/92) [New] [50 pp.] [Publ.: Aug.93] Open Systems Interconnection - Distributed transaction processing: Model X.861 (09/92) [New] [74 pp.] [Publ.: Oct.93] Open Systems Interconnection - Distributed transaction processing: service definition X.862 (11/93) [New] [360 pp.] [Publ.: Jan.95] Open Systems Interconnection - Distributed transaction processing: Protocol specification Note - C: 8/25/43 X.863 (07/94) [New] [30 pp.] [Publ.: Feb.95] Information technology - Open Systems Interconnection - Distributed transaction processing: Protocol implementation conformance statement (PICS) proforma Note - C: 40/65/84 * Remote operations X.880 (07/94) [New] [37 pp.] [Publ.: Mar.95] Information technology - Remote Operations: concepts, model and notation Note - C: 40/65/84 X.881 (07/94) [New] [31 pp.] [Publ.: Feb.95] Information technology - Remote Operations: OSI realizations - Remote Operations Service Element (ROSE) service definition Note - C: 40/65/84 X.882 (07/94) [New] [Publ. sched.: Jul.95] Information technology - Remote Operations: OSI realizations - Remote Operations Service Element (ROSE) protocol specification Note - C: 40/65/84 ---------------------------------------------------------------------- Some 1120 Recommendations from the Blue Book are still in force. 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