when CommError Code is 255 (Message refused)
Phone number of the received message not matching with the list (white list protection)
Received message doesn’t match with the cmd list (issued only if the sender phone number matches with the one entry of the phone list)
16 : Write the Phone number list with international notation, exemple: for 0518497647 use 33
518497647 where 33
is the international code number of the country.
17 : The received message must be the same as the one configured (Case sensitive)