SMS Box project published
This device acts as interface between your microcontroller project and a GSM phone. It handles all modem data communication between the GSM phone and your micro-project. The best thing is that it decodes PDU into TEXT on the fly! It means that you can easily SMS-enable your any project without need for learning AT commands and parsing complicated data when talking to AT modem inside the phone. If every phone was like eg. Nokia 6210 life would be pretty nice. Just build a cable to enable its F-BUS (www.atrox.at) and that's it, you can start using SMS messages in text-mode. Other cheaper phones such as Siemens C/M35, S25 and many Ericsson phones do not support text-mode for SMS messaging. Instead, they can only be used in pdu-mode. The good thing about them is that they are very cheap and do not require any external cables for initialization. They have their RS232 (TX, RX and GND) port and that's it – you are ready to talk to the modem inside it. That's what SMS Box! is all about.
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