Operations 1-311.3 Making CallsBasic OperationsTo terminate one party and talk to the otherPTConfirmation tone (optional)Press the line key or INTERCOMto which you wish to remain connected.COor INTERCOMInterrupting an Existing Call (Executive Busy Override)Executive Busy Override — ExtensionAllows you to connect to an existing intercom (extension) call.System Programming is required to use this feature.Any TelephoneDial 3.3Confirmation tone (optional)If you make an intercom call and while hearing a busy toneA three-party conferenceis now established.To leave the conferenceAny TelephoneThe other two partiescontinue their conversation.Hang up or press SP-PHONE .• This feature does not work when “Data Line Security” or “Executive Busy Override Deny”is set at either or both of the other parties.• When a 2-party call is changed to a 3-party call or vice versa, a confirmation tone is sent toall parties. The tone can be disabled.• 1.3 Making Calls, ‘Denying “Interrupting an Existing Call”(Executive Busy OverrideDeny)’• 1.7 Useful Features, “Conference (3-party)”• 1.7 Useful Features, “Data Line Security”• See the Installation Manual, Section 3, “Executive Busy Override”.!!+• If all three parties are extensions, this operation is not possible.