Principles Relating ISDN Numbers/Subaddresses to the OSI Reference Model Network Layer Addresses
|Publication Date:||1 November 1988|
Recommendation X.200, covering the open systems reference model, applies the term "address" to identify service access points at each layer. With respect to the network layer, a service access point may be identified by an ISDN number/subaddress. This Recommendation is provided to clarify the concepts and terminology which relate ISDN numbers and subaddresses to one another and to OSI reference model network layer addresses.