ITU-T X.215-1995 Information Technology - Open Systems Interconnection - Session Service Definition - Data Networks and Open System Communications Open Systems Interconnection - Service Definitions
This Recommendation i International Standard defines in an abstract way the externally visible service provided by the
OS1 Session Layer in terms of the primitive actions and events of the service
ITU-T X.215-1995 history
1995ITU-T X.215-1995 Information Technology - Open Systems Interconnection - Session Service Definition - Data Networks and Open System Communications Open Systems Interconnection - Service Definitions