1.7 Useful FeaturesOperations 1-61Advanced OperationsPTPress CONF to leave the conference.CONFDuring a conversation with two outside partiesPTPress the CO flashing green moderately.CO• An outside-to-outside (CO-to-CO) line call between the other two parties is established.To return to the conference• 1.2 Proprietary Telephone Settings, “Customizing the Buttons on Your Telephone” ,CONF (Conference) Button• 1.3 Making Calls, “Interrupting an Existing Call (Executive Busy Override)”,Executive Busy Override — Extension• 1.3 Making Calls, “Interrupting an Existing Call (Executive Busy Override)”Executive Busy Override — Outside (CO) Line”• 1.7 Useful Features, “Conference, Unattended”• See the Installation Manual, Section 3, “Conference (3-party)”.Conference, UnattendedWhen you are in a conference with two outside parties, you can leave the conference callallowing the other two parties to continue their conversation.To establish an Unattended Conference+• System programming is required to execute this feature.• During a 5-party conference, you cannot use this feature.• When an Unattended Conference is established, an alarm tone is sent to both outside parties15 seconds before the assigned time limit (default: 10 min.). “Hold Recall” is activated atthe extension that leaves the conference 50 seconds before the time out. The call isdisconnected when the time out expires unless the extension returns to the conference.• For example, if you are on-hook and hear “Hold Recall” during the Unattended Conferencemode, the display will show “CO 2 & CO 3” for 50 seconds before the time out.• 1.7 Useful Features, “Conference (3-party)”• See the Installation Manual, Section 3, “Conference (3-party)”.PTPTPT+!!Technical Manuals Online! - http://www.tech-man.com