Reference number
ISO/IEC 13870:2003
© ISO 2024
International Standard
ISO/IEC 13870:2003
Information technology — Telecommunications and information exchange between systems — Private Integrated Services Network — Inter-exchange signalling protocol — Call Completion supplementary services
Edition 3
2003-04
Preview
недоступно на русском языке
Опубликовано (Версия 3, 2003)
Последний раз этот публикация был пересмотрен в  2008. Поэтому данная версия остается актуальной.

ISO/IEC 13870:2003

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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 13870:2003 specifies the signalling protocol for the support of the Call Completion supplementary services at the Q reference point between Private Integrated services Network eXchanges (PINXs) connected together within a Private Integrated Services Network (PISN). The Call Completion supplementary services are Completion of Calls to Busy Subscribers (SS-CCBS) and Completion of Calls on No Reply (SS-CCNR).

SS-CCBS enables a calling User A, encountering a busy destination User B, to have the call completed when User B becomes not busy, without having to make a new call attempt.

SS-CCNR enables a calling User A, encountering a destination User B that, though alerted, does not answer, to have the call completed when User B becomes not busy again after a period of activity, without having to make a new call attempt.

The Q reference point is defined in ISO/IEC 11579-1.

Service specifications are produced in three stages and according to the method specified in ETS 300 387. ISO/IEC 13870:2003 contains the stage 3 specification for the Q reference point and satisfies the requirements identified by the stage 1 and stage 2 specifications in ISO/IEC 13866.

The signalling protocols for SS-CCBS and SS-CCNR operate on top of the signalling protocol for basic circuit switched call control, as specified in ISO/IEC 11572, and uses certain aspects of the generic procedures for the control of supplementary services specified in ISO/IEC 11582.

ISO/IEC 13870:2003 also specifies additional signalling protocol requirements for the support of interactions at the Q reference point between SS-CC and other supplementary services and ANFs.

ISO/IEC 13870:2003 is applicable to PINXs which can interconnect to form a PISN.

Общая информация

  • Текущий статус
     : Опубликовано
    Дата публикации
     : 2003-04
    Этап
    : Рассылка краткого отчета о пересмотре [90.60]
  • Версия
     : 3
  • Технический комитет :
    ISO/IEC JTC 1/SC 6
    ICS :
    33.040.35 
  • RSS обновления

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9
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