This distribution contains a library to access GSM mobile phones through GSM
modems. Features include:
   - modification of phonebooks stored in the mobile phone or on the SIM card
   - reading and writing of SMS messages stored in the mobile phone
   - sending and reception of SMS messages

Additionally, some simple command line programs are provided to use these
functionalities.

WWW: http://www.pxh.de/fs/gsmlib/