ISO/IEC 18056:2004 specifies an XML protocol for the services described in ECMA-269, Services for Computer Supported Telecommunications Applications (CSTA)Phase III. ISO/IEC 18056:2004 provides an alternative protocol to the ASN.1-based protocol specified in ISO/IEC 18052 :2000. Clauses 5 to 8 inclusive describe the concepts underlying the request/response model, application association, notation and service, and a description of the template used in ISO/IEC 18056:2004. Clauses 9 to 26 inclusive contain CSTA-specific protocol details and forms the main part of this International Standard. Annex A specifies the PICS for this International Standard. Examples of CSTA XML encodings are provided in Annex B through Annex G.

General information

  • Status :  Withdrawn
    Publication date : 2004-12
  • Edition : 1
    Number of pages : 449
  • :
    ISO/IEC JTC 1/SC 6
    Telecommunications and information exchange between systems
  • 35.100.30
    Network layer

Got a question?

Check out our FAQs

Customer care
+41 22 749 08 88

Opening hours:
Monday to Friday - 09:00-12:00, 14:00-17:00 (UTC+1)

Keep up to date with ISO

Sign up to our newsletter for the latest news, views and product information.