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YD/T 1686-2011Speech quality and transmission performance requirements and testing methods for IP telephony equipment (English PDF)

IP电话终端设备语音质量及传输性能技术

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Issued by

Ministry of Industry and Information Technology

Level / Type

National · Recommended

Issue date

June 1, 2011

Implementation date

June 1, 2011

Scope

YD/T 1686-2011 is the English-translated version of IP电话终端设备语音质量及传输性能技术.

YD/T 1686-2011 — This standard specifies the IP telephone device in the handle, handsfree, headset machines and electrical interface transmission performance under the conditions of the technical requirements and test methods, and gives voice quality to be achieved performance recommendations. This standard applies to the design used to transmit narrowband (300Hz ~ 3.

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Document preview — YD/T 1686-2011

National Standard of the People's Republic of China

ICS: 33.050.99
Classification: M 40
Replacing: YD/T 1686-2007

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 specifies the IP telephone device in the handle, handsfree, headset machines and electrical interface transmission performance under the conditions of the technical requirements and test methods, and gives voice quality to be achieved performance recommendations. This standard applies to the design used to transmit narrowband (300Hz ~ 3. 4kHz) IP telephony voice -enabled devices, including mobile access to IP networks or fixed IP telephone terminals, IP telephony gateways, IP video conferencing terminals, integrated access into the device (IAD) and the soft phone.

Document data

International classification (ICS): 33.050.99.

Chinese classification (CCS): M40.

Estimated length of the Chinese original: 37,376 words.

Supersedes the earlier edition YD/T 1686-2007.

Standards quoted by this document

YD/T 1884-2009; ITU-T G.711; ITU-T G.723.1; ITU-T G.729; ITU-T O.131; ITU-T O.41; ITU-T P.50; ITU -T P.57; ITU-T P.58; ITU-T P.64; ITU-T P.380; ITU-T P.501; ITU-T P.581; ITU-T P.862

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 25 pages — is available in the English PDF.

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