CAN/CSA-ISO/IEC ISP 10609-9-99

1. Scope
 
This part of ISO/IEC ISP 10609 is applicable to end systems concerned with operating in the Open Systems Interconnection (OSI) environment. It specifies a combination of OSI standards, which collectively provide the connection-mode Transport Service using the connection-mode Network Service.
 
This part of ISO/IEC ISP 10609 is applicable to the provision of the connection-mode Transport Service in end systems attached to any type of subnetwork from which the standardized connection- mode Network service can be made available.
 
This part of ISO/IEC ISP 10609 specifies the requirements for Network Layer, Data Link Layer and Physical Layer that apply specifically to configurations involving permanent access to a packet switched data network using virtual calls.