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GB/T 50622-2010Code for design of private telephone switch system engineering (English PDF)

用户电话交换系统工程设计规范

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Issued by

Ministry of Housing and Urban-Rural Development of the People's Republic of China; General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China

Level / Type

National · Recommended

Issue date

August 18, 2010

Implementation date

June 1, 2011

Scope

GB/T 50622-2010 is the English-translated version of 用户电话交换系统工程设计规范.

GB/T 50622-2010 — This standard applies to new construction, renovation, expansion of user telephone switching systems, scheduling systems, conference phone system and call center engineering design.

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Document preview — GB/T 50622-2010

National Standard of the People's Republic of China

Classification: P 76

Issued by: Ministry of Housing and Urban-Rural Development of the People's Republic of China; General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China

What this standard covers1
Document data2
Standards quoted by this document3

What this standard covers

This standard applies to new construction, renovation, expansion of user telephone switching systems, scheduling systems, conference phone system and call center engineering design.

Document data

Chinese classification (CCS): P76.

Estimated length of the Chinese original: 93,969 words.

Standards quoted by this document

YD 344; YD 5040; YD 5059; YD 5098; ??YDN 065; YD/T 928; YD/T 5076

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 62 pages — is available in the English PDF.

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