I just released version 0.27 of Wammu. This release fixes various problems found by users. Full list of changes:
This release also comes with binary for Windows with embedded Gammu 1.20.0.
New version of python-gammu has been just released. It improves compatibility with Python 2.5 and brings compatibility with Gammu 1.20.0. Full list of changes:
Download from usual place: http://cihar.com/gammu/python/