标准摘要
[中文适用范围]： 本国际标准规定了在专用综合业务网络 (PISN) 内连接在一起的专用综合业务网络交换机 (PINX) 之间的 Q 参考点处支持附加网络功能呼叫拦截 (ANF-CINT) 的信令协议。 ANF-CINT 是一项附加网络功能，可以将由于某些条件而无法完成的呼叫重定向到预定的拦截用户。 Q 参考点在 ISO/IEC 11579-1 中定义。 服务规范按照 ETS 300 387 中指定的方法分三个阶段制定。 本国际标准包含 Q 参考点的第 3 阶段规范，并满足 ISO/IEC 15053 中第 1 阶段和第 2 阶段规范确定的要求。 ANF-CINT 的信令协议在 ISO/IEC 11572 中指定的基本电路交换呼叫控制信令协议之上运行，并使用 ISO/IEC 11582 中指定的补充服务控制通用过程的某些方面。 该国际标准还规定了支持 ANF-CINT 与其他补充服务和 ANF 之间 Q 参考点交互的附加信令协议要求。 注 - 对 Q 参考点的信令协议没有影响的附加交互可以在相关的第 1 阶段规范中找到。 本国际标准适用于可以互连形成 PISN 的 PINX。 [外文原描述]： ISO/IEC 15054:2003 specifies the signalling protocol for the support of the additional network feature Call Interception (ANF-CINT) at the Q reference point between Private Integrated services Network eXchanges (PINX) connected together within a Private Integrated Services Network (PISN). ANF-CINT is an additional network feature which enables calls that cannot be completed due to certain conditions to be redirected to a predetermined intercepted-to user. 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 15054:2003 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 15053. The signalling protocol for ANF-CINT 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 15054:2003 also specifies additional signalling protocol requirements for the support of interactions at the Q reference point between ANF-CINT 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 15054:2003 is applicable to PINXs which can interconnect to form a PISN.
英文名称Information technology - Telecommunications and information exchange between systems - Private Integrated Services Network - Inter-exchange signalling protocol - Call Interception additional network feature