Information Technology - International Standardized Profiles TB, TC, TD and TE - Connection-Mode Transport Service over Connection-Mode Network Service - Part 21: Subnetwork-Type Dependent Requirements for Network Layer and Data Link Layer for ISDN B-Cha
This part of ISOAEC ISP 11 188 specifies the common
upper layers elements of A-profiles (see TR 10000-2,
5.5.3). The common elements are specified by
reference to OS1 connection-mode standards for the
ACSE protocol, the presentation layer protocol, an