ModemManager: ModemManager (mobile broadband modem API)
ModemManager:
ModemManager: ModemManager provides a unified high level API for communicating with
ModemManager: mobile broadband modems. 
ModemManager:
ModemManager: For more info, see:
ModemManager:   https://www.freedesktop.org/wiki/Software/ModemManager
ModemManager:
ModemManager:
ModemManager:
ModemManager: