CAN/CSA-ISO/IEC ISP 10609-23-99 (R2007)

The international community has decided to make this standard available only in the English language version. It has been adopted as a National Standard of Canada on this basis. This National Standard of Canada is equivalent to International Standard ISO/IEC ISP 10609-23:1995. 1 Scope 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 specifies the subnetwork-type dependent requirements for Network Layer and Data Link Layer concerning data transfer using virtual call where end systems attached to a packet mode ISDN (B-channel access case).