CSA ISO/IEC 18052:21

1 Scope This International Standard specifies application protocol data units (APDUs) for the services described in ISO/IEC 18051, Services, for Computer Supported Telecommunications Applications (CSTA) Phase III. Clause 5 to Clause 7 inclusive describes the concepts underlying the Remote Operations model, notation and service. Clause 8 to Clause 27 inclusive contains CSTA-specific message templates in ASN.1. The APDUs are exchanged in the context of an application association.