3.  SENDING AND RECEIVING AN SMS 
SENDING AN SMS 
1.  Define the message format by typing AT+CMGF=1 (Text mode). 
2.  Set the Message centre number by typing AT+CSCA="XXX".  
3.  XXX is your network provider's message centre number (See Picture 1.). 
4.  Enter the recipient's phone number using the AT+CMGS="YYY" command (See Picture 
1.). 
4. Write the message and press Ctrl-Z. 
Picture 1. Sending an SMS 
 
 
 
 
 
 
 
 
 
 
 
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