1.2 Making Calls32 User ManualExecutive Busy OverrideThe preprogrammed extension can call someone who is busy on the telephone andestablish a three-party conversation.To join• The Message button light or Message/Ringer Lamp shows the current statusas follows:Off: No messageRed on: You have a message.• The display shows the messages starting with the most recent call.• On your PT, you can establish one or more "Message for another extension"buttons.These buttons can accept the message notification of other extensions orvarious incoming call distribution groups.In other words, you can monitor the message notifications of other telephones.• A single line telephone extension user will hear a special dial tone as themessage waiting notification when going off-hook.Customizing Your Phone• 3.1.3 Customizing the ButtonsCreate or edit a Message button or Message for another extension button.Off-hook. PresscorrespondingCO.Enter3.Outside callPT/PSTalk.(CO)3B. Tone C.ToneEnter 3.3Intercom callPT/SLT/PSTalk.While hearing a busy toneC.Tone