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YD/T 1128-2001The Supplementary Specification to SPC (English PDF)

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Issued by

Ministry of Industry and Information Technology

Level / Type

National · Recommended

Issue date

May 25, 2001

Implementation date

November 1, 2001

Scope

YD/T 1128-2001 (The Supplementary Specification to SPC) is available as an English-translated PDF.

YD/T 1128-2001 is the Chinese standard "The Supplementary Specification to SPC". This standard specifies the telephone exchange to support business, increased functionality, signaling, computational requirements, interface requirements, and traffic statistics and network management requirements and other technical requirements.

This standard applies to the PSTN/ISDN network, local network end office, tandem or tandem/end office, long-distance network in the long terminal Bureau and the switching office, long distance/local Bureau, the International Bureau as well as in fixed interconnection network gateway office of the technical specifications. Issued on 2001-05-25, in force from 2001-11-01.

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Document preview — YD/T 1128-2001

National Standard of the People's Republic of China

Classification: M40

Document data
Standards quoted by this standard

1 Document data

Sector: Telecommunication Industry Standard (Recommended).

Date of issue: 2001-05-25.

Date of implementation: 2001-11-01.

Chinese Standard Classification: M40.

Length: about 37,349 characters in the Chinese original.

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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.

Referenced standards

Cited by

SL 517-2013Design code for communication of water resources and hydropower projects

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