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If these items do not fit your situation, try to restart the monitoring system. Also check the sending of messages from your mobile phone, making sure that the numbers of the sms-centers are the same.
SMS
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commands
SMS commands are used for remote management by the monitoring system. Using these commands, you can read the status and measured values of the sensors, and control the relay switches (sockets). The phone numbers from which the remote control will be made must be added to the list of allowed numbers in the modem parameters editing window (Main menu → System tree → GSM modem → Settings → List of allowed phone numbers).
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