Information technology; use of X.25 packet layer protocol in conjunction with X.21/X.21bis to provide the OSI connection-mode network service
Edition 1993-05

Information technology; use of X.25 packet layer protocol to provide the OSI connection-mode network service over the telephone network
Edition 1993-05

Information technology; telecommunications and information exchange between systems; use of X.25 to provide the OSI connection-mode network service; technical corrigendum 1
Edition 1993-05

Information technology - Telecommunications and information exchange between systems - Use of X.25 to provide the OSI connection-mode network service; Technical Corrigendum 3
Edition 1996-03

Information technology; provision of the OSI connection-mode network service by packet mode terminal equipment to an integrated services digital network (ISDN)
Edition 1992-12

Information technology - International Standardized Profile TAnnnn - Connection-mode Transport Service over Connectionless-mode Network Service - Part 2: TA51 ........(abbreviated)
Edition 1995-03-01

Information technology - Open Systems Interconnection - Connection-mode protocol for the application service object association control service element
Edition 1999-12

Information technology. Telecommunications and information exchange between systems. Provision of the connection-mode Network internal layer service by intermediate systems using ISO/IEC 8208, the X.25 Packet Layer Protocol
Edition 1993-10-15

Information technology; telecommunications and information exchange between systems; provision of the connection-mode network internal layer service by intermediate systems using ISO/IEC 8208, the X.25 packet layer protocol
Edition 1993-06

Information technology. International standardized profile TAnnnn. Connection-mode transport service over connectionless-mode network service. Definition of profile TA53, operation over a token ring LAN subnetwork
Edition 1997-04-15