To specify one or several destination numbers for sending SMS notifications, there is a need to go to the page «SMS» of a device web interface:
In the section «GSM SETUP», there is a need to specify primary and auxiliary phone numbers for sending SMS notifications.
Destination Phone Number for SMS – is specified in the format: Country_code_Operator's_code_Destination_Number. For example, for the Russian Federation, the destination phone number must be indicated as follows: +7XXXXXXXXXX, where X is a number from 0 to 9.
To save the destination phone numbers, click the button «Apply changes».