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YD/T 1157-2022Transmission of calling number between networks (English PDF)

网间主叫号码的传送

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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 1157-2022 is the English-translated version of 网间主叫号码的传送.

YD/T 1157-2022 — This standard specifies the method and format for transmitting calling party numbers between different operators based on circuit switching network or soft switching network.

Calling number transmission requirements between IMS networks of different operators are outside the scope of this standard.

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Document preview — YD/T 1157-2022

National Standard of the People's Republic of China

Classification: M 10
Replacing: YD/T 1157-2001; YD/T 1157.1-2002; YD/T 1157.2-2003; YD/T 1157.3-2005; YD/T 1157.4-2016

Issued by: Ministry of Industry and Information Technology

What this standard covers1
Document data2

What this standard covers

This standard specifies the method and format for transmitting calling party numbers between different operators based on circuit switching network or soft switching network. Calling number transmission requirements between IMS networks of different operators are outside the scope of this standard. This standard applies to the transmission of calling numbers between networks.

Document data

Chinese classification (CCS): M10.

Estimated length of the Chinese original: 15,163 words.

Supersedes the earlier edition YD/T 1157-2001; YD/T 1157.1-2002; YD/T 1157.2-2003; YD/T 1157.3-2005; YD/T 1157.4-2016.

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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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