title: Verify iMessage Support, SMS Support
body: <p>I am using ShareKit. Sending SMS messages uses the MFMessageComposeViewController, with the user seeing the title "Text". I want to change that title to something that is more reflective of what is actually available, which may be SMS or iMessage or both. (For example, I don't want the prompt to say "SMS" if the device doesn't support SMS, but I want it to say SMS if the device does support SMS. If it supports both, the title will reflect that, too.)</p>
  
  <p>Is there a way to determine if iMessage is available and configured? Is there a way to determine if SMS is available and configured? </p>
  
  <p>The devices I want to support are iPhone, iPod Touch, and iPad. The iOS versions should be from 4.3 forward.</p>