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ITU-T Q.731.3 (04/2019)

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使用7号信令系统的号码识别辅助业务的第3阶段描述 – 呼叫线路识别表述
ITU-T Q.731.3建议书提供了一种用于主叫线路识别表示(CLIP)的信令程序。该建议书规定了CLIP的服务描述、操作要求和编码要求。建议书还介绍了始发本地交换、中转交换、国际网关交换和目的地本地交换的信令要求。建议书还考虑了与其他补充服务的交互、与其他网络的交互以及动态描述。
Citation: https://handle.itu.int/11.1002/1000/13878
Series title: Q series: Switching and signalling, and associated measurements and tests
  Q.700-Q.799: Specifications of Signalling System No. 7
  Q.730-Q.739: ISDN supplementary services
Approval date: 2019-04-29
Approval process:AAP
Status: In force
Maintenance responsibility: ITU-T Study Group 11
Further details: Patent statement(s)
Development history