The OSS NAS/C++ Encoder/Decoder is an add-on to the OSS ASN.1/C++ Tools, and provides C++ access to the OSS NAS/C Encoder/Decoder. The OSS NAS/C Encoder/Decoder facilitates the creation of user applications that produce, encode, decode, and process messages conforming to 3GPP TS 24.301 (Non-Access-Stratum protocol). This version of the OSS NAS/C++ Encoder/Decoder supports 3GPP NAS version 15.5.0. Contact OSS Nokalva at firstname.lastname@example.org if you need to support a different version of NAS.
The tool consists of
The OSS NAS/C++ Encoder/Decoder API (application program interface) is a collection of functions and classes designed to be called by your application to encode, decode, and perform auxiliary operations on messages (or protocol data units) specified in 3GPP TS 24.301 (NAS) v.15.5.0.
Features of the OSS NAS/C++ Encoder/Decoder include
To use the API described in this document, you must include the provided C++ header file corresponding to the 3GPP NAS release version you plan to use: NAS1550.h. You must also link your application with the OSS NAS/C++ Encoder/Decoder and ASN.1/C++ libraries. For example, to use the shared libraries on Linux, link with the nascpp1550.so import library and the libosscpp.so and libcpptoed.so ASN.1/C++ libraries. The resulting application requires access to the dynamic libraries while running, so locate the libraries in the current directory or add their location to the LD_LIBRARY_PATH environment variable.
For more information about how to compile and link an application that uses the OSS NAS/C++ Encoder/Decoder API and for sample programs, see the /samples and /samples-static subdirectories included in your package.
The OSS NAS/C++ Encoder/Decoder is an OSS ASN.1/C++ Tools add-on. It uses the ASN.1/C++ runtime classes, for example, to access the components of a decoded message. Therefore, the ASN.1/C++ runtime must be installed on the same computer as the OSS NAS/C++ Encoder/Decoder.
This documentation applies to the NAS/C++ Encoder Decoder Library for LTE/EPC v7.1.1 for 3GPP Release 15.5.0.
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