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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 Предпросмотр

This International Standard defines the signalling procedures and protocol for the purpose of circuit-switched Call Control at

the Q-reference point between Private Integrated Network Exchanges (PINXs) connected together within a Private Integrated

Services Network (PISN).

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

This International Standard is based upon that described in ITU-T Recommendation Q.931, including the provisions for

symmetrical operation described in annex D of that recommendation.

Service specifications are produced in three stages and according to the method specified in ETS 300 387. 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 ECMA-142, ECMA-148 and ISO/IEC 11584.

This International Standard is applicable to PINXs which interconnect to form a PISN.

Annex ZC is an integral part of this International Standard.


Общая информация

  • Текущий статус :  Published
    Дата публикации : 2000-03
  • Версия : 3
  • :
    ISO/IEC JTC 1/SC 6
    Telecommunications and information exchange between systems
  • 33.040.35
    Telephone networks

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