ISO/IEC 15432:1999

Information technology — Telecommunications and information exchange between systems — Private Integrated Services Network — Specification, functional model and information flows — Wireless Terminal Authentication supplementary services (WTAT and WTAN) ISO/IEC 15432:1999

Publication date:   Sep 9, 1999

General information

90.60 Close of review   Jun 14, 2022

ISO/IEC

ISO/IEC JTC 1/SC 6 Telecommunications and information exchange between systems

International Standard

33.040.35   Telephone networks

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Scope

This International Standard specifies the Authentication supplementary services, which are applicable to various basic
services supported by Private Integrated Services Networks (PISN). Basic services are specified in ISO/IEC 11574.
Authentication of a WTM user (SS-WTAT) is a supplementary service that enables a PISN, as a security measure, to
validate the identity provided by the WTM user.
Authentication of the PISN (SS-WTAN) is a supplementary service that enables a served WTM user, as a security
measure, to validate the identity of the PISN.
The mechanisms used in these supplementary services are based on the challenge and response method of
authentication. Authentication algorithms to be used by these two supplementary services (SS-WTAT and SS-WTAN)
are outside the scope of this International Standard. This International Standard provides the information flows to
convey the security parameters.
Supplementary service specifications are produced in three stages, according to the method described in CCITT
Recommendation I.130. This International Standard contains the stage 1 and stage 2 specifications of SS-WTAT and
SS-WTAN. The stage 1 specification (clause 6 and 7) specifies the supplementary service as seen by users of PISNs.
The stage 2 specification (clause 8 and 9) identifies the functional entities involved in the supplementary service and the
information flows between them.

Life cycle

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PUBLISHED
ISO/IEC 15432:1999
90.60 Close of review
Jun 14, 2022

Relations

Adopted from ECMA-305