Telecommunication industry opts for an automatic redial
service for process improvement. ReDial is one of the services that feature a
special permission to the users for dialing. The user needs to press some keys
to avail the number that has been dialed very recently. ReDial only selects
most recent dialed telephone number on that particular device.
So, according to the memory of the particular device, users can only ReDial few numbers and not all.