Free App to program "The CellCom Prime" IntercomEasily Formats the Programming Strings.No Complicated Text Messages.Client/Customer Information Saved for Easy Updating Remote ProgrammingSMS Programmable Intercom with keypad.Built in 7 day time clockAuto open/close gates at pre-set times of the day/weekProgram the Keypad via SMS text messageStore temporary keypad codes, time restricted codes, permanent codes.Add and delete codes via SMS text for improved security.Notifications to a master phone when access is grantedControl Both relay outputs with momentary, Latch and Unlatch buttons.Do not disturb and watershed feature to prevent nuisance calls at night.https://www.youtube.com/watch?v=nQZ0_1nhDmQ&t=4sDue to Googles permission policy change, the app can no longer send SMS programming commands direct, you will be redirected to your phones default messenger