YD/T 1157.1-2002
Transmission of caller number between networks (Amendment 1) (English Version)

Standard No.

YD/T 1157.1-2002

Language

Chinese, Available in English version

Release Date

2002

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 requirements for international calling number transmission and the structure of the International Bureau identification code, including circuit-switched international calls and IP international calls, as well as domestic IP telephone calling number transmission. This standard is mainly suitable for use by various telecommunications operating companies in their deployment setting data and daily maintenance.

YD/T 1157.1-2002 history

• 2022 YD/T 1157-2022 Transmission of calling number between networks
• 2002 YD/T 1157.1-2002 Transmission of caller number between networks (Amendment 1)

YD/T 1157.1-2002 Transmission of caller number between networks (Amendment 1) was changed to YD/T 1157-2022 Transmission of calling number between networks.