How to create an SMS gateway?

Question

I know there are lots of 3rd party sites to send bulk SMS via the internet, but if I wanted to create one myself, how would I go about it? I know how to create an SMS gateway us

Answer 1

Hmm... According to the your requirement you will need a GSM modem. Using that you can send SMS messages with Standard AT commands. Then you need to develop an HTTP server that gets the request, process it and send the AT commands to the GSM modem.