Data communication - Use of the X.25 packet level protocol in local and metropolitan area networks; identical with ISO/IEC 8881:1989 (status of 1991)
Edition 1996-01

Information technology - Data communications - X.25 Packet Layer Protocol for Data Terminal Equipment
Edition 2000-11

Information technology. Telecommunications and information exchange between systems. X.25-DTE conformance testing. Packet layer conformance suite
Edition 1992-05-01

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 processing systems; data communications; use of the X.25 packet level protocol in local area networks
Edition 1989-12

Information technology. Use of X.25 packet layer protocol to provide the OSI connection-mode network service over the telephone network
Edition 1993-08-15

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
Edition 1993-08-15

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