Тезис Предпросмотр
ISO/IEC 14843:2003 specifies the signalling protocol for the support of the Call Offer supplementary service (SS-CO) at the Q reference point between Private Integrated services Network eXchanges (PINXs) connected together within a Private Integrated Services Network (PISN).
SS-CO is a supplementary service which, on request from the calling user (or on that user's behalf), enables a call to be offered to a busy called user and to wait for that called user to accept this call.
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 14843:2003 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 14841.
The signalling protocol for SS-CO operates 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 14843:2003 also specifies additional signalling protocol requirements for the support of interactions at the Q reference point between SS-CO and other supplementary services and ANFs.
NOTE Additional interactions that have no impact on the signalling protocol at the Q reference point can be found in the relevant stage 1 specifications.
ISO/IEC 14843:2003 is applicable to PINXs which can interconnect to form a PISN.
Общая информация
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Текущий статус : PublishedДата публикации : 2003-04
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Версия : 2
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Технический комитет:Telecommunications and information exchange between systems
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- ICS :
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Telephone networks
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| Формат | Язык | |
|---|---|---|
| Бумажный |
- CHF158
Жизненный цикл
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Ранее
WithdrawnISO/IEC 14843:1996
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Сейчас
PublishedISO/IEC 14843:2003
Стандарт, который пересматривается каждые 5 лет
Этап: 90.60 (Hа стадии пересмотра)
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