I am new at GSM design. I have project in wich i need to transmit data by the gsm, decode it on the other side with DSP and vice versa. Which protocols are used in the proces? Wich is the the best way to deal with this? With GSM wich has modem built in and ?
Explain a little bit please!
It is easy to ask GSM modem or phone (almost) to enter data mode
by AT command set via RS-232.
You could find and download (free of charge) all of them at:
**broken link removed**