Help and Support for
Sony Xperia Z5 Premium
Android 5.1.1
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I can't make voice calls on my Sony Xperia Z5 Premium Android 5.1.1
Cause 1 of 4: Missed calls are diverted too quickly
Your missed calls are diverted after a specified number of seconds. If your calls are diverted too fast, you need to select a longer period of time.
Solution: Set divert delay.