#8 . Automatic Callback Deactivation
*72 . Call Forwarding Always Activation
*73 . Call Forwarding Always Deactivation Call
*90 . Forwarding Busy Activation
*91 . Call Forwarding Busy Deactivation
*92 . Call Forwarding No Answer Activation
*93 . Call Forwarding No Answer Deactivation
*67 . Calling Line ID Delivery Blocking per Call
*65 . Calling Line ID Delivery per Call
*68 . Call Park
*88 . Call Park Retrieve
*98 . Call Pickup
*69 . Call Return
*70 . Cancel Call Waiting
*99 . Clear Voice Message Waiting Indicator
*97 . Directed Call Pickup
*33 . Directed Call Pickup with Barge-in
*55 . Direct Voice Mail Transfer
*78 . Do Not Disturb Activation
*79 . Do Not Disturb Deactivation
*22 . Flash Call Hold
*66 . Last Number Redial
*75 . Speed Dial 100 (Configure)
*nn . Speed Dial 100 (Use)
*74 . Speed Dial 8
*47 . Sustained Authorization Code Activation (calls unlocking)
*37 . Sustained Authorization Code Deactivation (calls locking)

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