TS 03.20 – GSM Security Network Functions
3GPP TS 03.20 is the 3GPP Technical Specification for GSM Security Network Functions. It is published in 4 releases (Ph2 to R98); the latest version is 7.2.0 in R98.
Specifies network functions for security services including subscriber identity confidentiality, authentication, and ciphering for GSM networks.
Releases and versions of TS 03.20
| Release | Latest version | Links |
|---|---|---|
| R98 | 7.2.0 | Read · Download (3GPP) |
| R97 | 6.1.0 | Read · Download (3GPP) |
| R96 | 5.2.1 | Read · Download (3GPP) |
| Ph2 | 4.4.1 | Read · Download (3GPP) |
Scope of TS 03.20
Category: Security (Authentication and Encryption). Technology generation: 2G. Network layer: CoreNetwork.
Who should read this specification?
- Network operators
- Device manufacturers
- Regulators and standards bodies
Implementation notes
Complexity level: Intermediate. Implementation difficulty: Medium.
Key technologies
Other specifications in the 03 series
- TS 03.15 Operator Determined Barring (ODB) for GSM
- TS 03.16 HLR-VLR-SGSN Subscriber Data Management
- TS 03.18 GSM Basic Call Handling Specification
- TS 03.19 SIM API Specification for Java Card
- TS 03.22 GSM Idle Mode Operation and Procedures
- TS 03.26 Multiband GSM/DCS Network Operation
- TS 03.30 Cell Planning Guidelines for GSM Systems
- TS 03.31 Fraud Information Gathering System (FIGS)
Related glossary terms
Related topics
Frequently asked questions
What is 3GPP TS 03.20?
3GPP TS 03.20 is the 3GPP Technical Specification for GSM Security Network Functions. Specifies network functions for security services including subscriber identity confidentiality, authentication, and ciphering for GSM networks.
Which 3GPP releases include TS 03.20?
TS 03.20 is published in 4 releases, from Ph2 to R98. The latest version on 3GPP Explorer is 7.2.0 (R98).
What category does TS 03.20 belong to?
TS 03.20 belongs to the Security (Authentication and Encryption) category of 3GPP specifications. It applies to 2G networks.
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