The electronic version of this International Standard can be downloaded from the ISO/IEC Information Technology Task Force (ITTF) web site

Abstract Preview

ISO/IEC 20115:2004 specifies the combination of base standards, together with the selection of appropriate options and parameter values, necessary to specify how QSIG/PSS1 can be used for Message Centre Access (MCA) procedures.

ISO/IEC 20115:2004 identifies the necessary or optional employment of particular functions, procedures and services for a

  • Calling User to deposit messages for a Served User at a Message Centre,
  • Served User to monitor the Served User's Mailbox for new messages,
  • Served User to browse through the messages saved in the Served User's Mailbox,
  • Served User to retrieve the messages saved in the Served User's Mailbox, and
  • Served User to get connected to the Originator of a message or any other destination.


General information

  • Status :  Published
    Publication date : 2004-05
  • Edition : 1
    Number of pages : 61
  • :
    ISO/IEC JTC 1/SC 6
    Telecommunications and information exchange between systems
  • 33.040.35
    Telephone networks

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