I did this for testing. One situation that I think we have not addressed is what happens when the user reboots a phone already in flight mode. Even although telepathy-ofono will not set the modems to "Online", the modem actually is on and trying to register when the phone starts. So we should check when ofono starts if flight mode is set and shut down the modem ASAP. That will follow the path outlined by the defines. So I left them as kind of a reminder for this.

This behaviour would be the same that Android does in this case.