YD/T 1221.1-2002800MHz CDMA digital cellular mobile communication network message center equipment technical specification. Part one: point to point SMS (English PDF)
800MHz CDMA数字蜂窝移动通信网短消息中心设备技术要求 第一分册 点对点短消息业务部分
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Issued by
Ministry of Industry and Information Technology
Level / Type
National · Recommended
Issue date
July 22, 2002
Implementation date
July 22, 2002
Scope
YD/T 1221.1-2002 is the English-translated version of 800MHz CDMA数字蜂窝移动通信网短消息中心设备技术要求 第一分册 点对点短消息业务部分.
YD/T 1221.1-2002 is the Chinese standard "800MHz CDMA digital cellular mobile communication network message center equipment technical specification. Part one: point to point SMS".
This standard specifies the 800MHz CDMA digital cellular mobile communication network to support short message service center, function, operation and maintenance, interface signaling, software and hardware requirements and other technical requirements.
This standard applies to 800MHz CDMA digital cellular mobile communication network to the point of short message center equipment. Issued on 2002-07-22, in force from 2002-07-22.
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Document preview — YD/T 1221.1-2002
National Standard of the People's Republic of China
- Classification
- M37
Contents
- [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 1221.1-2002 was issued by Ministry of Industry and Information Technology on 22 July 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
This standard specifies the 800MHz CDMA digital cellular mobile communication network to support short message service center, function, operation and maintenance, interface signaling, software and hardware requirements and other technical requirements. This standard applies to 800MHz CDMA digital cellular mobile communication network to the point of short message center equipment.
YD/T 1221.1-2002 is filed under Chinese Standard Classification M37, 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 21,213 characters
4 Related standards
Standards on related subjects:
YD/T 1214-2006 — Technical requirement of 900/1800MHz TDMA Digital Cellular Mobile Telecommunication Network General Packet Radio Service(GPRS) - Equipment: Mobile Stations
YD 1268.1-2003 — [YD/T 1268.1-2003] The safety specification and test method for lithium batteries
YD/T 6502-2025 — Calibration procedures of electromagnetic field sensors and probes (excluding antennas)from 9kHz to 40GHz
YD/T 6501.1-2025 — Antenna performance requirement and measurement method for civil robots integrated with wireless communication technology - Part 1: General requirement
YD/T 2869.3-2025 — Performance requirement and measurement method for MIMO antenna terminal Part 3: 5G NR wireless terminal (mmWave)
5 Classification and status
Chinese Standard Classification (CCS): M 37
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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