Preface:

Standards development within the Information Technology sector is harmonized with international standards development. Through the CSA Technical Committee on Information Technology (TCIT), Canadians serve as the SCC Mirror Committee (SMC) on ISO/IEC Joint Technical Committee 1 on Information Technology (ISO/IEC JTC1) for the Standards Council of Canada (SCC), the ISO member body for Canada and sponsor of the Canadian National Committee of the IEC. Also, as a member of the International Telecommunication Union (ITU), Canada participates in the International Telegraph and Telephone Consultative Committee (ITU-T).

For brevity, this Standard will be referred to as "CSA ISO/IEC 18052" throughout.

This Standard supersedes CAN/CSA-ISO/IEC 18052:13 (adopted ISO/IEC 18052:2011). At the time of publication, ISO/IEC 18052:2012 is available from ISO and IEC in English only. CSA Group will publish the French version when it becomes available from ISO and IEC.

This Standard has been formally approved, without modification, by the Technical Committee and has been developed in compliance with Standards Council of Canada requirements for National Standards of Canada. It has been published as a National Standard of Canada by CSA Group.

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.