TS 48.056 – A-bis Interface Link Layer Specification
3GPP TS 48.056 is the 3GPP Technical Specification for A-bis Interface Link Layer Specification. It is published in 12 releases (Rel-8 to Rel-19); the latest version is 19.0.0 in Rel-19.
Specifies the LAPD-based link layer protocol for signalling on the A-bis interface between BSC and BTS in GSM networks.
Releases and versions of TS 48.056
| Release | Latest version | Links |
|---|---|---|
| Rel-19 | 19.0.0 | Read · Download (3GPP) |
| Rel-18 | 18.0.0 | Read · Download (3GPP) |
| Rel-17 | 17.0.0 | Read · Download (3GPP) |
| Rel-16 | 16.0.0 | Read · Download (3GPP) |
| Rel-15 | 15.0.0 | Read · Download (3GPP) |
| Rel-14 | 14.0.0 | Read · Download (3GPP) |
| Rel-13 | 13.0.0 | Read · Download (3GPP) |
| Rel-12 | 12.0.0 | Read · Download (3GPP) |
| Rel-11 | 11.0.0 | Read · Download (3GPP) |
| Rel-10 | 10.0.0 | Read · Download (3GPP) |
| Rel-9 | 9.0.0 | Read · Download (3GPP) |
| Rel-8 | 8.0.0 | Read · Download (3GPP) |
Scope of TS 48.056
Category: Radio Access (A-bis Interface). Technology generation: 2G. Network layer: RAN.
Who should read this specification?
- Network operators
- Device manufacturers
- Researchers and academics
Implementation notes
Complexity level: Intermediate. Implementation difficulty: Medium.
Key technologies
Specifications referenced by TS 48.056
Specifications that reference TS 48.056
Other specifications in the 48 series
- TS 48.049 Cell Broadcast Service Protocol Specification
- TS 48.051 BSC-BTS Interface Introduction (GSM)
- TS 48.052 BSC-BTS A-bis Interface General Aspects
- TS 48.054 BSC-BTS Physical Layer Interface
- TS 48.058 BSC-BTS interface layer 3 specification
- TS 48.060 Inband Control of Remote Transcoder/Rate Adaptors
- TS 48.061 BTS-TRAU Protocol for HR Speech/Data
- TS 48.071 SMLC-BSS Interface Layer 3 Coding
Related glossary terms
Related topics
Frequently asked questions
What is 3GPP TS 48.056?
3GPP TS 48.056 is the 3GPP Technical Specification for A-bis Interface Link Layer Specification. Specifies the LAPD-based link layer protocol for signalling on the A-bis interface between BSC and BTS in GSM networks.
Which 3GPP releases include TS 48.056?
TS 48.056 is published in 12 releases, from Rel-8 to Rel-19. The latest version on 3GPP Explorer is 19.0.0 (Rel-19).
What category does TS 48.056 belong to?
TS 48.056 belongs to the Radio Access (A-bis Interface) category of 3GPP specifications. It applies to 2G networks.
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