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YD/T 1590-2006The Technical Requirement of Echo and Echo Control for Inter. Public Telecom Network (English PDF)

网间回声和回声控制技术要求

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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 1590-2006 is the English-translated version of 网间回声和回声控制技术要求.

YD/T 1590-2006 — The Technical Requirement of Echo and Echo Control for Inter. Public Telecom Network

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Document preview — YD/T 1590-2006

National Standard of the People's Republic of China

ICS: 33.030
Classification: M 21

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

What this standard covers1
Document data2

What this standard covers

This standard specifies the talker echo requirements, including Wang Jiantong words echo indicators, sending and receiving loudness rating, the entire transmission and distribution losses, 2/4 wire echo attenuation requirements, echo control device configuration requirements, and echo control device access signaling requirements. This standard applies to variable and fixed interconnection of telephone communications, fixed and mobile telephone communications gateway, and IP phones on echo control requirements.

Document data

International classification (ICS): 33.030.

Chinese classification (CCS): M21.

Estimated length of the Chinese original: 14,117 words.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 9 pages — is available in the English PDF.

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