YD/T 1157-2001
The Transfer of Calling Party Number between Operators (English Version)

Standard No.

YD/T 1157-2001

Language

Chinese, Available in English version

Release Date

2001

Published By

Professional Standard - Post and Telecommunication

Status

Be replaced 2023-01

Replace By

YD/T 1157-2022

Latest

YD/T 1157-2022

Scope

This standard specifies the method and format for transmitting the calling user's telephone number between telephone networks operated by different operators.

YD/T 1157-2001 history

• 2022 YD/T 1157-2022 Transmission of calling number between networks
• 2001 YD/T 1157-2001 The Transfer of Calling Party Number between Operators