ISO/IEC-21407 › Information technology - Telecommunications and information exchange between systems - Private Integrated Services Network Specification, functional model and information flows Simple dialog supplementary service

ISO/IEC-21407 - 1ST EDITION - CURRENT


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This International Standard specifies the supplementary service Simple Dialog (SS-SD), which is applicable to various basic services supported by Private Integrated Services Networks (PISNs). Basic services are specified in ISO/IEC 11574.

Supplementary service SD enables a user to communicate with another user or application by the exchange of keypad and display information transparently over a PISN.

Service specifications are produced in three stages, according to the method described in ETS 300 387. This International Standard contains the stage 1 and stage 2 specifications of SS-SD. The stage 1 specification (clause 6) specifies the supplementary service as seen by users of PISNs. The stage 2 specification (clause 7) specifies the functional entities involved in the supplementary service and the information flows between them.

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33.040.35 (Telephone networks Including Public Switched Telephone Networks (PSTN), Private Telecommunication Networks (PTN) and Private Integrated Service Networks (PISN))

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Document Number

ISO/IEC 21407:2001

Revision Level

1ST EDITION

Status

Current

Publication Date

Aug. 15, 2001

Committee Number

ISO/IEC/JTC 1/SC 6