5-50 Standard Telephone FeaturesE 5.2 Standard Telephone FeaturesExecutive Busy Override — ExtensionAllows you to connect to an existing intercom (extension) call.If you make an intercom call and while hearing a busy tone;1. Dial 2.• You hear a confirmation tone (optional).• A three-party conference is now established.To leave the conference1. Hang up.• The other two parties continue their conversation.Conditions• This feature does not work when “Data Line Security” or “Executive Busy OverrideDeny” is set at either or both of the other parties.• “Class of Service” programming determines the extensions that can enable this feature.• When a two-party call is changed to a three-party call or vice versa, a confirmation toneis sent to all three parties. Eliminating the tone is programmable.Programming References• System Programming — Installation Manual[505] Executive Busy Override[601] Class of Service[990] System Additional Information, Field (13)Feature ReferencesConferenceData Line SecurityExecutive Busy Override Deny11