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YD/T 2537-2025Service test method for number portability (English PDF)

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Issued by

Ministry of Industry and Information Technology

Level / Type

National · Recommended

Issue date

December 17, 2025

Implementation date

July 1, 2026

Scope

YD/T 2537-2025 (Service test method for number portability) is available as an English-translated PDF.

YD/T 2537-2025 — This standard specifies the testing methods for number portability services, including basic service testing (including point-to-point voice service, point-to-point SMS service, point-to-point multimedia messaging service, and 5G personal messaging service (optional)), as well as non-point-to-point SMS service, platform voice service, and telecommunications service top-up/payment service testing.

Basic service testing includes local, long-distance (inter-provincial, international), and roaming test scenarios. Non-point-to-point SMS service, platform voice service, and telecommunications service top-up/payment services each include testing for both the operator and the SP/third-party platform.

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Document preview — YD/T 2537-2025

National Standard of the People's Republic of China

ICS: 33.040
Classification: M 10
Replacing: YD/T 2537-2015

Issued by: Ministry of Industry and Information Technology

What this standard covers1
Document data2

What this standard covers

This standard specifies the testing methods for number portability services, including basic service testing (including point-to-point voice service, point-to-point SMS service, point-to-point multimedia messaging service, and 5G personal messaging service (optional)), as well as non-point-to-point SMS service, platform voice service, and telecommunications service top-up/payment service testing. Basic service testing includes local, long-distance (inter-provincial, international), and roaming test scenarios. Non-point-to-point SMS service, platform voice service, and telecommunications service top-up/payment services each include testing for both the operator and the SP/third-party platform. This standard applies to number portability service testing; other intra-network service testing is organized internally by the enterprise.

Document data

International classification (ICS): 33.040.

Chinese classification (CCS): M10.

Supersedes the earlier edition YD/T 2537-2015.

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

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