What happens next?

How to place an iphone call on hold
Start or receive your call.
You can mute a call once you're in it. Place or receive a call like you normally would.

Choose from: (a). The same thing applies to vibrate phones, including cellular devices. Hold the phone far enough away from the offending person that you can't hear their voice.. (b). Or you can choose to delete the call before it's over, save it for when you want to make a final phone call. If you'd prefer to delete the call before it's over, then leave it on hold until it's over.. (c). Tap the " mute " button while in a call. You'll see this button when you pull your iphone away from your face.. (d). Press the play key (the heart shaped button on the bottom-left corner of your screen) and tap the " play " button. The button is a silhouette of an iphone icon..
(c).