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YD/T 789-2006Technical Requirements and Measuring Methods of Hands-Free Telephone Sets (English PDF)

免提电话机技术要求和测试方法

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Issued by

Ministry of Information Industry of the People's Republic of China

Level / Type

National · Recommended

Issue date

December 11, 2006

Implementation date

January 1, 2007

Scope

YD/T 789-2006 is the English-translated version of 免提电话机技术要求和测试方法.

YD/T 789-2006 — This standard provides hands-free telephone and conference telephone transmission performance, safety and lightning performance, environmental adaptability, electromagnetic compatibility and other technical requirements and test methods.

This standard applies to analog interface connected to the public telephone network and conference phone hands-free telephone.

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Document preview — YD/T 789-2006

National Standard of the People's Republic of China

ICS: 33.050.10
Classification: M 40
Replacing: YD/T 789-1995

Issued by: Ministry of Information Industry of the People's Republic of China

What this standard covers1
Document data2
Standards quoted by this document3

What this standard covers

This standard provides hands-free telephone and conference telephone transmission performance, safety and lightning performance, environmental adaptability, electromagnetic compatibility and other technical requirements and test methods. This standard applies to analog interface connected to the public telephone network and conference phone hands-free telephone. Access to the public telephone network and analog interface with hands-free speaker phone function and other terminal devices can also be used with reference to this standard.

Document data

International classification (ICS): 33.050.10.

Chinese classification (CCS): M40.

Estimated length of the Chinese original: 17,184 words.

Supersedes the earlier edition YD/T 789-1995.

Standards quoted by this document

GB/T 15279; YD/T 965; YD/T 968; YD/T 993; ITU-T 9.58; ITU-T P.64; ITU-T P.79; ITU-T P.340; ITU-T P.501; ITU-T P.581

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 11 pages — is available in the English PDF.

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