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SETUP THE MODULE
AT+CMGF=1 ; sets text mode (0 sets Packet Data Mode)
AT+CSCS="GSM" ; sets GSM-character text mode
AT+CGATT? ; Must return "+CGATT:1" indicates DATA is active
TCP GPRS CONNECTION
AT+CIPSRIP=1 ; shows you the received information and IP address and port number of the sender...
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