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How to send/receive SMS on GSM/GPRS modem?
I have GSM/GPRS modem that works with the F.P. SIM card. Unfortunately, I'm unable to send/receive SMS messages using AT commands. The SIM contains the SMS service center number: 1-970-376-9800, but I wonder if this is correct number? Since I communicate to modem via serial interface, using FreedomPop's messaging app is not an option. Am I stuck using the service as data only, or are there are options for sending SMS?