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YD/T 1933-2009Technical Requirements of Services Based on the Unified IMS IP Centrex Service(Release 1) (English PDF)

基于统一IMS的业务技术要求 IP Centerex业务（第一阶段）

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Issued by

Ministry of Industry and Information Technology

Level / Type

National · Recommended

Issue date

June 15, 2009

Implementation date

September 1, 2009

Scope

YD/T 1933-2009 is the English-translated version of 基于统一IMS的业务技术要求 IP Centerex业务（第一阶段）.

YD/T 1933-2009 — This standard provides a unified IMS-based IP Centrex services business definitions, business system architecture and interfaces, service features, the business of network elements and signaling requirements of the client's business requirements and management requirements.

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Document preview — YD/T 1933-2009

National Standard of the People's Republic of China

ICS: 33.030
Classification: M 21

Issued by: Ministry of Industry and Information Technology

What this standard covers1
Document data2
Standards quoted by this document3

What this standard covers

This standard provides a unified IMS-based IP Centrex services business definitions, business system architecture and interfaces, service features, the business of network elements and signaling requirements of the client's business requirements and management requirements. This standard applies to IMS-based Unified IP Centrex services.

Document data

International classification (ICS): 33.030.

Chinese classification (CCS): M21.

Estimated length of the Chinese original: 20,254 words.

Standards quoted by this document

YD/T 1931-2009

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 13 pages — is available in the English PDF.

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