TS 04.08 – GSM Call Control and Mobility Management
3GPP TS 04.08 is the 3GPP Technical Specification for GSM Call Control and Mobility Management. It is published in 5 releases (Ph1 to R98); the latest version is 7.21.0 in R98.
Specifies procedures for call control, mobility management, radio resource management, and session management at the GSM radio interface.
Releases and versions of TS 04.08
| Release | Latest version | Links |
|---|---|---|
| R98 | 7.21.0 | Read · Download (3GPP) |
| R97 | 6.21.1 | Read · Download (3GPP) |
| R96 | 5.20.0 | Read · Download (3GPP) |
| Ph2 | 4.25.0 | Read · Download (3GPP) |
| Ph1 | 3.13.0 | Read · Download (3GPP) |
Scope of TS 04.08
Category: Radio Access (Layer 3 Signalling). Technology generation: 2G. Network layer: RAN.
Who should read this specification?
- Network operators
- Device manufacturers
- Regulators and standards bodies
Protocols and interfaces
Protocols: L3, RR, MM, CC, SM
Interfaces: Um
Key use cases
- Voice Calls
- SMS
- GPRS
Implementation notes
Complexity level: Advanced. Implementation difficulty: High.
Key technologies
Other specifications in the 04 series
- TS 04.04 Physical Layer Service Definition
- TS 04.05 Link Access Procedures on Dm channel
- TS 04.06 LAPDm Protocol for GSM MS-BS Interface
- TS 04.07 Layer 3 Architecture for GSM Um Interface
- TS 04.10 Supplementary Services Layer 3 Procedures
- TS 04.11 SMS Support Procedures for GSM and GPRS
- TS 04.12 SMS Cell Broadcast Interface Specification
- TS 04.13 Mobile Station Performance Requirements
Related glossary terms
Related topics
Frequently asked questions
What is 3GPP TS 04.08?
3GPP TS 04.08 is the 3GPP Technical Specification for GSM Call Control and Mobility Management. Specifies procedures for call control, mobility management, radio resource management, and session management at the GSM radio interface.
Which 3GPP releases include TS 04.08?
TS 04.08 is published in 5 releases, from Ph1 to R98. The latest version on 3GPP Explorer is 7.21.0 (R98).
What category does TS 04.08 belong to?
TS 04.08 belongs to the Radio Access (Layer 3 Signalling) category of 3GPP specifications. It applies to 2G networks.
View the full specification with interactive table of contents, version history, and AI analysis.
Read Full Specification →