If your
iPhone have incoming call and you want to
reject it. You can
decline a call by press buttons then sent to voicemail. iPhone have more than one way to do it.
Reject incoming call from screen.
Just press
decline button on screen when iPhone have called in. In iOS7 will have calling reject button only iPhone on the home screen status.
Press the sleep/wake button
Press the button twice for
decline incoming call also. If you press one time that for mute the ringtone. You can use this method on the all of iPhone screen status.
On using iPhone headset
you can
decline call in by press and hold the mic button of the headset for about 2 seconds, the call will reject when you button leave. You can use this method on the all of iPhone screen status.
