Standard Number: YD/T 4311-2023(YD/T4311-2023)
Chinese:智能终端及后台服务端电话号码识别技术要求
English:Intelligent terminal and back-end server phone number identification technical requirements
Effective Date:2023-08-01
Standard Applicability:This document standardizes the technical requirements of China’s intelligent terminals and telephone number identification of the backend service end, including the number data identification and number data update requirements of intelligent terminals, which are applicable to the identification of international numbers, the identification of domestic mobile subscriber numbers, the identification of domestic fixed subscriber numbers and the identification of domestic business numbers. This document applies to the display of number attribution information of public intelligent terminals of various systems in China, and is used as a reference for special industry terminals and professional applications.
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