3GPP API's3GPP Application Programming Interfaces (API's) are pre-compiled and optimized C function libraries for encoding and decoding protocol messages defined within 3GPP standards documents
API's are available for ASN.1-based protocols for LTE (Long Term Evolution) (EUTRA-RRC, S1AP, and X2AP) and UTRAN (NBAP, RANAP, RNSAP and RRC).
API's are also available for other (non-ASN.1) Layer 3 protocols for LTE/5GS (NAS), UTRAN, and GERAN.
Non-Access Stratum (NAS) LTE and 5GS, and GERAN-RRC
3GPP TS 24.007 24.008 24.011 24.301 24.501 44.018
Mobile radio interface signalling layer 3; General Aspects, Core network protocols, RRC, and SMS
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This add-on allows C code to be generated for encoding and decoding 3GPP protocols defined in the above specifications. |
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NAS/RRC standalone C-based DLL with security handling This DLL provides a C language API for encoding and decoding 3GPP protocols defined in the above specifications. |
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5G New Radio (NR) LTE API's 
3GPP TS 38.331
New Radio (NR); Radio Resource Control (RRC); Protocol specification.
| LTE-RRC NR Release 15 C API | Windows | Linux |
3GPP TS 38.463
New Radio (NR); E1 Application Protocol (E1AP)
| E1AP Release 15 C API | Windows | Linux |
3GPP TS 38.473
New Radio (NR); F1 Application Protocol (F1AP)
| F1AP Release 15 C API | Windows | Linux |
3GPP TS 38.413
New Radio (NR); NG Application Protocol (NGAP)
| NGAP Release 15 C API | Windows | Linux |
3GPP TS 38.423
New Radio (NR); Xn Application Protocol (XnAP)
| XnAP Release 15 C API | Windows | Linux |
LTE API's
3GPP TS 36.331
Evolved Universal Terrestrial Radio Access (E-UTRA); Radio Resource Control (RRC); Protocol specification.
| LTE-RRC Release 8 C API | Windows | Linux | |
| LTE-RRC Release 9 C API | Windows | Linux | |
| LTE-RRC Release 10 C API | Windows | Linux | |
| LTE-RRC Release 11 C API | Windows | Linux | |
| LTE-RRC Release 12 C API | Windows | Linux | |
| LTE-RRC Release 13 C API | Windows | Linux | |
| LTE-RRC Release 14 C API | Windows | Linux | |
| LTE-RRC Release 15 C API | Windows | Linux |
3GPP TS 36.413
Evolved Universal Terrestrial Radio Access Network (E-UTRAN); S1 Application Protocol (S1AP)
| S1AP Release 8 C API | Windows | Linux | |
| S1AP Release 9 C API | Windows | Linux | |
| S1AP Release 10 C API | Windows | Linux | |
| S1AP Release 11 C API | Windows | Linux | |
| S1AP Release 12 C API | Windows | Linux | |
| S1AP Release 13 C API | Windows | Linux | |
| S1AP Release 14 C API | Windows | Linux | |
| S1AP Release 15 C API | Windows | Linux |
3GPP TS 36.423
Evolved Universal Terrestrial Radio Access Network (E-UTRAN); X2 Application Protocol (X2AP)
| X2AP Release 8 C API | Windows | Linux | |
| X2AP Release 9 C API | Windows | Linux | |
| X2AP Release 10 C API | Windows | Linux | |
| X2AP Release 11 C API | Windows | Linux | |
| X2AP Release 12 C API | Windows | Linux | |
| X2AP Release 13 C API | Windows | Linux | |
| X2AP Release 14 C API | Windows | Linux | |
| X2AP Release 15 C API | Windows | Linux |
3GPP TS 36.443
Evolved Universal Terrestrial Radio Access Network (E-UTRAN); M2 Application Protocol (M2AP)
| M2AP Release 12 C API | Windows | Linux | |
| M2AP Release 13 C API | Windows | Linux | |
| M2AP Release 14 C API | Windows | Linux | |
| M2AP Release 15 C API | Windows | Linux |
3GPP TS 36.444
Evolved Universal Terrestrial Radio Access Network (E-UTRAN); M3 Application Protocol (M3AP)
| M3AP Release 12 C API | Windows | Linux | |
| M3AP Release 13 C API | Windows | Linux | |
| M3AP Release 14 C API | Windows | Linux | |
| M3AP Release 15 C API | Windows | Linux |
3G UTRAN ASN.1 API's
3GPP TS 25.433
UTRAN Iub interface Node B Application Part (NBAP) signalling
| NBAP Release 8 C API for Windows | |
| NBAP Release 9 C API for Windows | |
| NBAP Release 10 C API for Windows | |
| NBAP Release 11 C API for Windows |
3GPP TS 25.413
UTRAN Iu interface Radio Access Network Application Part (RANAP) signalling
| RANAP Release 8 C API for Windows | |
| RANAP Release 9 C API for Windows | |
| RANAP Release 10 C API for Windows | |
| RANAP Release 11 C API for Windows |
3GPP TS 25.423
UTRAN Iur interface Radio Network Subsystem Application Part (RNSAP) signalling
| RNSAP Release 8 C API for Windows | |
| RNSAP Release 9 C API for Windows | |
| RNSAP Release 10 C API for Windows | |
| RNSAP Release 11 C API for Windows |
3GPP TS 25.331
Radio Resource Control (RRC); Protocol specification
| RRC Release 8 C API for Windows | |
| RRC Release 8 C++ API for Windows | |
| RRC Release 9 C API for Windows | |
| RRC Release 10 C API for Windows | |
| RRC Release 11 C API for Windows |