I have a Huawei E220 3G dongle. I have set it up with my Raspberry Pi to connect to the internet by executing the sakis3g script. Now I want to send and receive SMS to and from Raspberry pi via the 3g dongle to my mobile phone. How should i go about this. Please suggest some methods.
You could use a command line utility Gammu. Check out http://wammu.eu/gammu/
Or you can follow this tutorial to interface with the modem directly to send and receive sms on your Raspberry Pi: http://myraspberryandme.wordpress.com/2013/09/13/short-message-texting-sms-with-huawei-e220/
You can have a look at this tutorial as well: Turning the Raspberry Pi into a SMS Center using Python