====== Hold Reversion ======
  * Alerts a phone user when a held call exceeds a configured time limit
  * Alerts are generated, such as a ring or beep, at the phone to remind the user to handle the call
{{cucm-hrev1.png|}}

===== Configuration =====

===== Timer =====
  * Under **System > Service Parameters > Cisco CallManager**
  * Hold Reversion Duration - time after which a alert will start to generate
  * Hold Reversion Notification Duration - frequency, how often to send the reminder alert.
  * CFA Destination Override
    * If party A has configured CFA to party B.
    * Party B call Party A which normally will have caused the call to forward back to Party A
    * This setting will override this behaviour to stop the call coming back to Party B
{{cucm-hrev2.png|}}

  * Under **Call Routing > Directory Number**
  * The line setting will overwrite the service parameter
{{cucm-hrev3.png|}}

===== Priority =====
  * Determine when there is a new incoming call and a reverted call, which has the highest priority
    * Default - incoming call has higher priority
    * Highest - reverted call has higher priority
{{cucm-hrev4.png|}}