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YD/T 1203-2002Technical specification of signalling gateway for No.7 signalling and IP (English PDF)

No.7信令与IP的信令网关设备技术规范

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Issued by

Ministry of Industry and Information Technology

Level / Type

National · Recommended

Issue date

June 21, 2002

Implementation date

June 21, 2002

Scope

YD/T 1203-2002 is the English-translated version of No.7信令与IP的信令网关设备技术规范.

YD/T 1203-2002 is the Chinese standard "Technical specification of signalling gateway for No.7 signalling and IP".

This standard specifies the No. 7 signaling and IP signaling gateway device networking applications, a common signaling processing functions, signaling requirements and signaling protocols, operating management and maintenance requirements, interface requirements, capacity and performance requirements, synchronization requirements and environmental requirements.

This standard applies to No. 7 signaling and IP signaling gateway equipment development, production, introduction and purchase. Issued on 2002-06-21, in force from 2002-06-21.

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Document preview — YD/T 1203-2002

National Standard of the People's Republic of China

Classification: M19

[Preview only]
1 Scope
2 Normative References
2.1 Term
3 Terms and Definitions
3.2 Abbreviations
3.3 Specifications
3.4 Product model and designation
3.5 Product marking
4 Product Classification
4.1 General
4.2 Model and name
4.3 Test Waveform
4.4 Product labelling
5 Requirements
5.2 Chemical components
5.3 SPD Disconnector Inspection
5.4 Environmental protection property
5.5 Material compatibility
5.6 Spurious emission
5.7 Transmit Spectrum Mask
5.8 Time of Rising Edge and Falling Edge
5.9 In-band Flatness
6 Test methods
6.2 Term restrictions
6.3 End-of-manufacturing inspection
6.4 Type inspection
6.5 Phone Program
6.6 OTASP/OTAPA Function
6.7 Processing of PIN
6.8 Fixed Dialing Number (FDN)
6.9 Abbreviated Dialing Number (ADN)
7 Inspection Rules
7.1 Packaging
7.2 Marking
7.3 Transport
7.4 Storage
7.5 Safety Test for Temporary Overvoltage Failure
7.6 Test of Temporary Overvoltage Withstand Characteristic
7.7 SPD Thermal Stability Test
8 Marking, Packing, Transport and Storage
8.1 Voltage Drop Test
8.2 Surge Withstand Capability at Load side
8.3 Short-circuit Withstand Capability at Load Side
9 Environmental Applicability Test
9.1 Vibration Test
9.2 High Temperature Test
9.3 Low Temperature Test
9.4 Alternating Humid Heat Test
9.5 Performance requirements for radio resource management

1 Foreword

YD/T 1203-2002 was issued by Ministry of Industry and Information Technology on 21 June 2002 and took effect the same day.

The YD/T prefix marks a recommended standard. It is not law in itself: it becomes binding when a contract names it, when a regulation or a mandatory standard refers to it, or when a producer declares conformity with it.

The document runs to 14 pages in English translation.

2 Scope Preview

YD/T 1203-2002 is filed under Chinese Standard Classification M19, in the field of telecommunications and broadcasting.

This catalogue holds 2,288 other YD/T standards without an ICS number.

In this catalogue, YD/T standards carry edition years from 1982 to 2026.

3 About this standard

Sector: Telecommunication Industry Standard (Recommended)

Issued by: Ministry of Industry and Information Technology

English translation: about 14 pages (approximate)

Chinese original: about 21,292 characters

4 Related standards

Standards on related subjects:

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YD/T 1730-2008 — Implementation Guide for Security Risk Assessment of Telecom Network and Internet

YD/T 1548.1-2007 — 2GHz WCDMA digital cellular mobile communication network terminal equipment testing method (second stage) - Part 1: Basic functions, operations and performance testing

YD/T 6615-2025 — General technical requirements of short message interworking between BeiDou satellite and terrestrial network

YD/T 6478-2025 — Technical requirements of home surveillance platform

YD/T 4302.5-2025 — Technical specification for Quantum Key Distribution(QKD) network management - Part 5: EMS function

5 Classification and status

Chinese Standard Classification (CCS): M 19

Prefix YD/T: recommended standard.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 14 pages — is available in the English PDF.

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