send free SMS from C# + ASP.NET

Question

I want to use any free SMS service to send the SMS (free) from my application. I am developing the application in C# + asp.net. How can I do the code for that.

Answer 1

It is very easy. You have to download AT commands (contain message & other command of mobile) of your mobile. Use the predefined format to send message at modem port where your mobile is connected (may be wired or through Bluetooth). Before sending a messagemake a connection to a port.