Short Message Service (SMS) is becoming a popular way of marketing nowadays. Normally in order to send bulk SMS, we need to rely on the telco operators or any third party service providers to provide the bulk SMS sending facility. In this article, I am going to show you how to make use of your mobile phone or a GSM modem attached to your computer to send bulk SMS using the open source atSMS library and a open source bulk SMS gateway that I have developed.
