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You can take advantage of the service and send a callback request to any Azercell subscriber, even if there are no funds on your balance.
To activate the request, send the number (operator code and number) of any Azercell subscriber to 7700 or dial *770* operator code and number #YES. The subscriber will receive an SMS notification of the request.
If the order is sent by SMS, a comma must be added after the number, and then the name (maximum 10 characters) , so that the recipient will reflect the name of the person who sent the request.
A maximum of 3 requests can be sent in one day.