Restore iTune backup after fix the issue by using this setting: Settings > General > Reset > Erase all Content and Settings. A Vert-Age Predictive dialer is an outbound dialling software that naturally dials from a specified list of phone numbers, much like autodialers or robodialers. A predictive dialer naturally calls numbers until it distinguishes a live person; at that point passes the call to a live specialist. Dialers screen out occupied signs, phone messages, no-answers, disengaged numbers, etc.