Reference number
ISO/IEC 15056:1997
© ISO 2024
International Standard
ISO/IEC 15056:1997
Information technology — Telecommunications and information exchange between systems — Private Integrated Services Network — Inter-exchange signalling protocol — Transit counter additional network feature
Edition 1
1997-05
Preview
недоступно на русском языке
Опубликовано (Версия 1, 1997)
Последний раз этот публикация был пересмотрен в  2015. Поэтому данная версия остается актуальной.

ISO/IEC 15056:1997

Язык
Формат
CHF 63
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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

This International Standard specifies the signaling protocol for the support of the Transit Counter additional network feature (ANF-TC) at the Q reference point between Private Integrated Services Network Exchanges (PINXs) connected together within a Private Integrated Services Network (PISN). ANF-TC is a feature that limits the number of Transit PINXs that a call setup request may be routed through e.g., to protect the network against indefinite looping. 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 CCITT Recommendation I. 130. This International Standard 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 15055. The signaling protocol for ANF-TC operates in association with the signaling protocols for basic circuit switched call control (as specified in ISO/IEC 11572) and call independent (connection oriented) signaling connections (as specified in ISOIIEC 11582). This International Standard also specifies additional signaling protocol requirements for the support of interactions at the Q reference point between ANF-TC and other supplementary services and ANFs. This International Standard is applicable to PINXs that can interconnect to form a PISN.

Общая информация

  • Текущий статус
     : Опубликовано
    Дата публикации
     : 1997-05
    Этап
    : Рассылка краткого отчета о пересмотре [90.60]
  • Версия
     : 1
  • Технический комитет :
    ISO/IEC JTC 1/SC 6
    ICS :
    33.040.35 
  • RSS обновления

Жизненный цикл

Цели в области устойчивого развития

Данный стандарт разработан для достижения следующих Цель устойчивого развития

9
Индустриализация, инновации и инфраструктура

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