"Redial" refers to the automatic retry of a call that was previously unsuccessful.
Typical functions of software in the "Redial" area may include:
Storage of failed calls: The software stores the phone numbers or caller IDs of calls that previously failed to connect.
Automatic redial: The software automatically retries the failed calls after a defined period of time.
Number of retry attempts: Setting the number of automatic retry attempts for each call.
Time interval between retry attempts: Specifying a time interval between automatic retry attempts.
Notification upon successful connection: Notifying the user when a failed call is successfully completed.