Okay, I messed it up. Recently released 1.14.0 still had some artefacts from SMS handling cleanup and it should be fixed now. Besides this, experimental (not tested) support for OBEX on Siemens phones has been added and Motorola users should be finally able to get their messages. Full list of changes:
You can download from usual place: http://cihar.com/gammu/
I will try to stabilise to 1.15.0 as soon as possible, what effectively means feature freeze from now, so this testing series should be shorter than usual.