I tried to use the basic example code under http://support.sodaq.com/sodaq-one/gprsbee-5/ to run an Autonomo with GPRSBee without success!
is wrong and you should change it to
I wonder how such things can happen? Was this sketch ever working in a former version?
I believe there is an error in that example. Even with the older GPRSbee initialisation methods, that would not have worked.