Reference number
ISO/IEC 13872:2003
© ISO 2024
International Standard
ISO/IEC 13872:2003
Information technology — Telecommunications and information exchange between systems — Private Integrated Services Network — Specification, functional model and information flows — Call Diversion supplementary services
Edition 2
2003-04
Preview
недоступно на русском языке
Опубликовано (Версия 2, 2003)
Последний раз этот публикация был пересмотрен в  2008. Поэтому данная версия остается актуальной.

ISO/IEC 13872:2003

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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

ISO/IEC 13872:2003 specifies the supplementary services Call Forwarding Unconditional (CFU), Call Forwarding Busy (CFB), Call Forwarding No Reply (CFNR) and Call Deflection (CD), which are applicable to various basic services supported by Private Integrated Services Networks (PISN). Basic services are specified in ISO/IEC 11574.

SS-CFU, SS-CFB and SS-CFNR are supplementary services which apply during call establishment providing a diversion of an incoming call to another destination. SS-CD is a supplementary service which allows a served user to respond to an incoming call by requesting redirection of that call to another number specified in the response.

Supplementary service specifications are produced in three stages, according to the method described in ETS 300 387. ISO/IEC 13872:2003 contains the stage 1 and stage 2 specifications of the Call Diversion supplementary services. The stage 1 specifications (Clauses 6, 7, 8 and 9) specify the supplementary services as seen by users of PISNs. The stage 2 specification (Clause 10) identifies the functional entities involved in the supplementary services and the information flows between them.

Общая информация

  • Текущий статус
     : Опубликовано
    Дата публикации
     : 2003-04
    Этап
    : Рассылка краткого отчета о пересмотре [90.60]
  • Версия
     : 2
  • Технический комитет :
    ISO/IEC JTC 1/SC 6
    ICS :
    33.040.35 
  • RSS обновления

Жизненный цикл

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9
Индустриализация, инновации и инфраструктура

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