... ENTER THE PHONE NUMBERS TO DIAL?The GSM system need SIM card to dial. So, you can use your own mob- ... to program it, you can set 5 phone number in SIM card, be sure in first (1,2,3,4,5) ... when alarm is happen.1). POWER ONWhen you set the SIM card (have first 5 number) into the GSM base, connect power ... alarm sound out is on7). You can dial in (your SIM card number) and inter password (1 2 3 4 #) to ...