> **Possible Duplicate:**  
> [How to add SMS text messaging functionality to my website?](http://webmasters.stackexchange.com/questions/533/how-to-add-sms-text-messaging-functionality-to-my-website)  

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I am building a online SMS service that can send messages to mobile phones. I want to send messages like google. How is this done? Any programming language is welcomed. I am using Apache server and mysql as database management system.