Modules
Here is a list of all modules:

GSM A5 ciphering algorithm |
A-bis OML |
helpers for GSM |
GPRS GEA3/GEA4 ciphering algorithm |
Short Message Service (SMS) |
GSM 08.08 / 3GPP TS 48.008 A Interface |
Generic Subscriber Update Protocol | The Generic Subscriber Update Protocol (GSUP) is an Osmocom-specific non-standard protocol replacing MAP as the protocol between MSC/VLR/SGSN and HLR in a 3GPP cellular communications network
LAPD implementation common part |
LAPDm implementation according to GSM TS 04.06 |
Osmocom Authentication Protocol | The Osmocom Authentication Protocol (OAP) is a way to use the 3GPP AKA (Authentication and Key Agreement) as cryptographic authentication mechanism in other protocols that don't provide cryptographic authentication
A-bis RSL |
TLV parser |
GSM/GPRS/3G Authentication |
Crypto |
Gsm0408 |
Ipa |