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Database: 189759 (26 Oct 2025)
YD/T 4311-2023 English PDF
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Standard Title (Description)
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YD/T 4311-2023
English
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(Technical requirements for phone number identification on smart terminals and background servers)
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YD/T 4311-2023
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Basic data
Standard ID
YD/T 4311-2023 (YD/T4311-2023)
Description (Translated English)
(Technical requirements for phone number identification on smart terminals and background servers)
Sector / Industry
Telecommunication Industry Standard (Recommended)
Classification of Chinese Standard
M21
Classification of International Standard
33.030
Date of Issue
2023-04-21
Date of Implementation
2023-08-01
Issuing agency(ies)
Ministry of Industry and Information Technology
Summary
This standard specifies the technical requirements for telephone number identification of smart terminals and backend servers in my country, including number data identification and number data update requirements for smart terminals. It is applicable to international number identification, domestic mobile user number identification, domestic fixed user number identification and domestic business. Number identification. This standard is applicable to the display of number attribution information on public intelligent terminals of various formats in my country, and is used as a reference for terminals in special industries and professional applications.
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