YD/T 1157.3-2005
The requirements for sending calling party number between networks (Supplementary Ⅲ) (English Version)

Standard No.

YD/T 1157.3-2005

Language

Chinese, Available in English version

Release Date

2005

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 customer service centers, (including customer service centers assigned in each operator's business numbers), government business call services, emergency call services, and the use of the same number as the incoming call number approved by the competent government department. Calling number transmission request when making outbound calls to service desk or PBX. This standard is suitable for transmitting the calling number of calls to various service stations in multi-operator networks to facilitate inter-network interoperability and authentication.

YD/T 1157.3-2005 Referenced Document

• YD/T 1157-2001 The Transfer of Calling Party Number between Operators
• YD/T 1157.1-2002 Transmission of caller number between networks (Amendment 1)

YD/T 1157.3-2005 history

• 2022 YD/T 1157-2022 Transmission of calling number between networks
• 2005 YD/T 1157.3-2005 The requirements for sending calling party number between networks (Supplementary Ⅲ)

YD/T 1157.3-2005 The requirements for sending calling party number between networks (Supplementary Ⅲ) was changed to YD/T 1157-2022 Transmission of calling number between networks.