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

Тезис

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ISO/IEC 13865:2003 specifies Supplementary Service Call Transfer (SS-CT), which is applicable to various basic services supported by Private Integrated Services Networks (PISNs). Basic services are specified in ISO/IEC 11574.

SS-CT is a supplementary service which enables a user to transform two of that user's calls (of which one must be answered) into a new call between the other two users of the two calls.

Supplementary service specifications are produced in three stages, according to the method described in ETS 300 387. ISO/IEC 13865:2003 contains the stage 1 and stage 2 specifications of SS-CT. The stage 1 specification (clause 6) specifies the supplementary service as seen by users of PISNs. The stage 2 specification (clauses 7 and 8) identifies the functional entities involved in the supplementary service and the information flows between them.

ISO/IEC 13865:2003 contains two stage 2 specifications reflecting different ways of operating the service within the network: transfer by join and transfer by rerouteing.


Общая информация 

  • Текущий статус
     : Опубликовано
    Дата публикации
     : 2003-04
  • Версия
     : 2
  • Технический комитет
     : ISO/IEC JTC 1/SC 6 Telecommunications and information exchange between systems
  • ICS
     :
    33.040.35 Telephone networks

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Формат Язык
Бумажный
  • CHF145

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9
Индустриализация, инновации и инфраструктура

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  5. 33
  6. 33.040
  7. 33.040.35
  8. ISO/IEC 13865:2003