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we have to establish hardware connection between mobile and 8051 (Atmel AT89C51SND2).. we have the AT command set of the mobile. please guide us to establish hardware connection and please tell sample code to send the AT commands to the mobile.. our intention is to send and read sms, by controlling the code of 8051..
http://www.keil.com/forum/docs/thread8510.asp
Using an actual phone makes life a lot more difficult than necessary - It will certainly be easier to use a proper GSM module (a so-called GSM "modem") - which is specifically designed and documented for this purpose - see:
www.8052.com/.../read.phtml