How to reply to a missed call with a text message on your iPhone

iOS 6 brings a couple of new options to the built-in Phone app, including the ability to Respond with Message to incoming calls. Basically, if a call comes in and you can't answering right then and there, with a swipe and a couple of taps, you can quickly send an iMessage or SMS instead of answering. It's a great feature for when you're busy or in a meeting and want to let someone know you will contact them later.

  1. When you receive an incoming call you'll see the addition of a telephone icon to the right of slight to answer. Slide it upwards.
  2. You'll now see some more options appear. Tap the Reply with Message option.
  3. At this point the call will be declined and you'll see some options for pre-made messages you can send or you can choose custom to create your own.
  4. Tap the message you want and you're done. The caller will be notified via text message.