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Developing SMS Services in C#

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This following project has been sticking my back since my engineering from past 4 years.Ever since then the same cookie was served in different plates. i meant to say one functionality was implemented for different applications.

In this post i will be implementing the project for a college domain.Say there is a database that stores the student details like attendance,marks,profile,etc,.Our application will receive a message sent from cell phone and query the database to retrieve the result and send it back to the respective user.

Now to receive & send a message we will be using a GSM modem(something similar to a cell phone) now the modem looks something like this


the black slot on the PCB(printed circuit board) is to insert a sim card.

"A picture is worth thousand words " so trying to put the whole process in nut shell.....



I know this is not worth thousand words, forgive me will try to picturize better next time.

Lets start CODING!!

To communicate with the m…