GSM-Intercom is specially designed for gate and electric door access controller.GSM-Intercom can work with call button .This app is used to config and send the SMS to program the GSM-Intercom device.
GSM-Intercom is specially designed for gate and electric door access controller.GSM-Intercom can work with call button .This app is used to config and send the SMS to program the GSM-Intercom device.