We have updated the 3GPP LTE and NAS ASN.1 API’s we have available for use with ASN1C. These API’s are available at the following URL:
https://obj-sys.com/products/asn1apis/lte_3gpp_apis.php
There are 5G API's available for releases 15 and 16, and LTE API’s available for releases 14 through 16.
The NAS API's contain support for the latest release 16 versions of the TS 24.501, 24.301, and 24.008 specifications.