1.10 Conversation FeaturesFeature Guide 1211.10.4 Headset OperationDescriptionThis PBX provides headset compatible PTs. A PT user can talk to another party without liftingthe handset.For connection and operation, refer to the Operating Instructions for the headset.This feature is also known as Handset/Headset Selection.Conditions• A headset is an option.• If the headset mode is on, pressing the SP-PHONE button activates the headset, not thebuilt-in speaker.• To set the headset mode on a DPT, use personal programming (Headset Operation) orpress the Headset button. To set headset mode on an APT, use the handset/headsetselector provided on the set and/or on the headset.• Headset ButtonA flexible button on a DPT can be customised as the Headset button. The Headset buttoncan be also assigned to a flexible button on an APT, but the button does not work.• Answer/Release ButtonA flexible button can be customised as an Answer button or a Release button. Suchbuttons are useful for headset operation. It is possible to answer an incoming call bypressing an Answer button. While hearing the Call Waiting tone during a conversation,pressing an Answer button enables one to answer the second call by placing the currentcall on hold. Pressing a Release button enables one to disconnect the line during or afterconversation, or to complete a Call Transfer.• It is possible to switch the headset mode to the hands-free mode or vice versa during aconversation by pressing the Headset button.• Headset users cannot use the following features:Feature Guide References1.19.2 Flexible ButtonsUser Manual ReferencesUser Manual1.3.5 Using the ANSWER/RELEASE Button1.4.8 Using the Headset (Headset Operation)3.1.2 Settings on the Programming Mode– Automatic Redial ( 1.6.1.4 Last Number Redial)– Receiving OHCA ( 1.7.4.3 Off-hook Call Announcement (OHCA))– Receiving Whisper OHCA ( 1.7.4.4 Whisper OHCA)