TS 31.131 – C Language Binding for (U)SIM API
3GPP TS 31.131 is the 3GPP Technical Specification for C Language Binding for (U)SIM API. It is published in 12 releases (Rel-8 to Rel-19); the latest version is 19.0.0 in Rel-19.
Defines C programming language interface for (U)SIM toolkit applications, enabling development of card applications using proactive commands.
Releases and versions of TS 31.131
| 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 | 8.1.0 | Read · Download (3GPP) |
Scope of TS 31.131
Category: Services (SIM/USIM Toolkit). Technology generation: Multi-Gen. Network layer: UE.
Who should read this specification?
- Device manufacturers
Implementation notes
Complexity level: Intermediate. Implementation difficulty: Medium.
Key technologies
Specifications referenced by TS 31.131
- 51.011 Specification of the Subscriber Identity Module - Mobile Equipment (SIM‑ME) interface
- TS 31.115 Secured Packet Structure for UICC Applications
- TS 31.116 SIM/USIM Remote Management Specification
- TS 31.102 USIM Application Specification
- TS 31.101 UICC-Terminal Interface Specification
- TR 21.905 3GPP Terminology and Definitions
- TS 31.111 USIM Application Toolkit (USAT) Specification
- TS 23.048 Secured Packets Structure for SMS and UICC Management
- 42.019 Subscriber Identity Module Application Programming Interface (SIM API); Stage 1
- TS 23.038 Character Sets, Languages and Message Handling Requirements for SMS, CBS and USSD
Specifications that reference TS 31.131
- TS 34.131 SIM API C Language Test Specification
Other specifications in the 31 series
- TS 31.122 USIM UICC Conformance Test Specification
- TS 31.124 USIM Application Toolkit Conformance Testing
- TS 31.127 UE Application Behavioural Tests for Non-Removable UICC
- TS 31.130 (U)SIM Application Programming Interface
- TS 31.133 ISIM Application Programming Interface
- TS 31.213 USIM API for Java Card Test Specification
- TS 31.220 Contact Manager for UICC Applications
- TS 31.221 Contact Manager Internal Interface for UICC
Related glossary terms
Related topics
Frequently asked questions
What is 3GPP TS 31.131?
3GPP TS 31.131 is the 3GPP Technical Specification for C Language Binding for (U)SIM API. Defines C programming language interface for (U)SIM toolkit applications, enabling development of card applications using proactive commands.
Which 3GPP releases include TS 31.131?
TS 31.131 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 31.131 belong to?
TS 31.131 belongs to the Services (SIM/USIM Toolkit) category of 3GPP specifications. It applies to Multi-Gen networks.
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