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YD/T 4158-2022Technical Requirements for Network Interworking of Number Portability (English PDF)

携号转网网间互通技术要求

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Issued by

Ministry of Industry and Information Technology

Level / Type

National · Recommended

Issue date

September 30, 2022

Implementation date

January 1, 2023

Scope

YD/T 4158-2022 is the English-translated version of 携号转网网间互通技术要求.

YD/T 4158-2022 — This standard specifies the technical requirements for network intercommunication during number portability transfer, including technical requirements for number portability transfer network database, number transmission requirements between network number portability transfer networks, and business processes for voice/point-to-point short message/point-to-point multimedia message/non-point-to-point message.

This standard applies to the inter-network intercommunication of the number portability service. The technical solutions in the network of each operator are not within the scope of this standard.

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Document preview — YD/T 4158-2022

National Standard of the People's Republic of China

Issued by: Ministry of Industry and Information Technology

What this standard covers1
Document data2

What this standard covers

This standard specifies the technical requirements for network intercommunication during number portability transfer, including technical requirements for number portability transfer network database, number transmission requirements between network number portability transfer networks, and business processes for voice/point-to-point short message/point-to-point multimedia message/non-point-to-point message. This standard applies to the inter-network intercommunication of the number portability service. The technical solutions in the network of each operator are not within the scope of this standard. The gateway offices involved in the business process include traditional circuit domain gateway offices and IMS interworking gateway offices.

Document data

Estimated length of the Chinese original: 15,186 words.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 10 pages — is available in the English PDF.

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