title: iPhone: How to Programmatically Respond to SMS Messages
body: <p>After a review of the iPhone SDK documentation, I have <strong><em>not</em></strong> yet found a way for an application to be written such that it can programmatically process the content of an incoming SMS message within the iPhone platform. The idea would be for such an application to be running <em>in the background</em> and based on specifically formatted SMS messages would be able to take specific actions.</p>
  
  <p>Does anybody know if this is possible with an iPhone SDK application and if so, provide a pointer to information about how this can be done?</p>