iOS 10:The new feature in iPlum app allows you to receive iPlum call in locked screen like a normal iPhone call even if the iPlum app is active or killed in the background. It automatically wakes it up and connects the calls.
iOS 9,8,7: You will get a notification about incoming call or message. Simply slide right on the notification and a screen will open up so you can answer the call or read the message. If you dismiss the notification, the call will roll over to the voicemail. If the caller leaves a voicemail you will get a voicemail notification or message notification.
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