TS 09.18 – GSM Gs Interface Specification
3GPP TS 09.18 is the 3GPP Technical Specification for GSM Gs Interface Specification. It is published in 3 releases (R97 to R99); the latest version is 1100 in R99.
Specifies procedures for coordination between GSM circuit-switched (VLR) and packet-switched (SGSN) services via the Gs interface.
Releases and versions of TS 09.18
| Release | Latest version | Links |
|---|---|---|
| R99 | 1100 | Read · Download (3GPP) |
| R98 | 7.5.0 | Read · Download (3GPP) |
| R97 | 6.7.0 | Read · Download (3GPP) |
Scope of TS 09.18
Category: Core Network (Interfaces). Technology generation: 2G. Network layer: CoreNetwork.
Who should read this specification?
- Network operators
- Device manufacturers
Implementation notes
Complexity level: Intermediate. Implementation difficulty: Medium.
Key technologies
Other specifications in the 09 series
- TS 09.12 ISDN-GSM PLMN Signalling Interface v2
- TS 09.13 CCBS Interworking MAP-SSAP Protocol
- TS 09.14 ISDN-GSM PLMN Signalling Interface
- TS 09.16 Gs Interface Signalling Transport Specification
- TS 09.31 BSSAP LCS Extension Specification
- TS 09.60 GPRS Tunnelling Protocol (GTP) Specification
- TS 09.61 GPRS Interworking Requirements
- TS 09.78 CAMEL Application Part (CAP) Specification
Related glossary terms
Related topics
Frequently asked questions
What is 3GPP TS 09.18?
3GPP TS 09.18 is the 3GPP Technical Specification for GSM Gs Interface Specification. Specifies procedures for coordination between GSM circuit-switched (VLR) and packet-switched (SGSN) services via the Gs interface.
Which 3GPP releases include TS 09.18?
TS 09.18 is published in 3 releases, from R97 to R99. The latest version on 3GPP Explorer is 1100 (R99).
What category does TS 09.18 belong to?
TS 09.18 belongs to the Core Network (Interfaces) category of 3GPP specifications. It applies to 2G networks.
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