Hi, I am currently working with Gemalto modem Cinterion PHS8. This modem has hardware related commands to check voltage and temperature. For example read the temperature (enable temperature output and read it): AT^SCTM=0,1 OK AT^SCTM? ^SCTM: 0,0,32 I would like to read these parameters with Ofono but I didn't find in documentation any existing interface that can handle hardware monitoring. Maybe I could hack Ofono to add custom properties to an existing interface for instance, or create my own interface. But if more modems propose the same kind of features it could be interesting to find a generic API. I don't know how to process because I am not totally aware of Ofono structure and I know a single modem. Should I add a new atom? Is there a developer guide for this? Thanks for your help. Regards, Vincent