I tend to use the following commands - look them up in the AT Commands manual:
AT+CMGF=1
AT+CSMS=0
AT+CNMI=2,1,3,1,1
AT+CSMP=49,169,0,0
You will also need to know your network’s SMS Service Centre (“Message Centre”) number, and set it using AT+CSCA
You can save these settings with AT+CSAS
You may also want to set AT+CMEE=1
Do any of the links at the end of this thread help you:
wavecom.com/modules/movie/sc … php?t=1142