How do PHP websites receive text messages?

Question

Duplicate: Send and receive SMSs to a PHP script?

I want to create an application in PHP which will users to interact by sending a text to some address. What can I use to complete this transaction?

Answer 1

I've used http://www.haysystems.com/ in the past.

Basically it works like a normal email with the message you send being the email body. You send the email via Hay who translate it to a text for you.

Answer 2

You will need an API such as those mentioned here