Call BlockingUX Mail Manual Chapter 2: Features ◆ 812Call BlockingDescriptionCall Blocking prevents Automated Attendant callers from reaching a subscriber’s extension and sends themback to the Automated Attendant. If a Subscriber Mailbox has Call Blocking enabled, the mailbox will blockcalls routed to the subscriber’s extension from the following:■ Screened Transfers (TRF)■ Unscreened Transfers (UTRF)■ Directory Dialing actions (DIRF and DIRL)■ Calls routed from a Directory Dialing MailboxCall Blocking could be appropriate for company executives and other high priority employees. It would pre-vent a caller that has obtained a list of company extensions, for example, from directly dialing an executive’sextension. The outside caller would instead be sent immediately to the operator (i.e., the dial 0 destinationdefined in the active Dial Action Table).Related FeaturesDirectory Dialing (page 120)Call Blocking blocks calls routed to the subscriber’s extension via Directory Dialing.Screened Transfer (page 270)Call Blocking blocks calls routed to the subscriber’s extension via an Automated Attendant ScreenedTransfer.Unscreened Transfer (page 299)Call Blocking blocks calls routed to the subscriber’s extension via an Automated Attendant UnscreenedTransfer.ProgrammingStep 1 To enable Call Blocking:1.1 CUSTOMIZE : M AILBOX O PTIONS E DIT : SUBSCRIBER : [S UBSCRIBER ] B LOCK AUTO ATTENDANT (PAGE 440).- Use this option to enable (Yes) or disable (No) Call Blocking.✔ By default, Call Blocking is disabled (No).OperationN/A