Next testing version of Gammu was just born. It brings only small amount of fixes, but most users of recent Nokia phones will be pleased that long outstanding bug with SMS decoding has been fixed. Full list of changes:
You can download from usual place: http://cihar.com/gammu/, Debian users can get packages from experimental.
Adrian, it looks like you are looking for apt-zeroconf. It looks like great idea, but it does not seem to be really active recently and unfortunately it did not yen find it's way to official archives...