6/1553-DBC 434 01 Uen C 2010-12-17 42INCOMING C ALLS4.5 Answering a Second Incoming CallYou have three access lines ( , , ) for incoming and outgoingcalls. All lines have the same extension number. This feature is calledtriple access line.To answer a second incoming call, do the following:1. You have an ongoing call on the key, and the key flashesto indicate a new incoming call.2. Press key to answer.The first call is put on hold.Note: To answer a second incoming call, you have to activate Free onbusy, see below. A call waiting call can be answered althoughfree on busy is not activated.4.5.1 Activating Free on BusyTo activate Free on busy, do the following:1. Press Presence.2. Select Free on busy: OFF, and press Select.3. Select ON put call through, and press Set.A confirmation question is displayed.4. Press Yes to confirm.Note: If you have ongoing calls on line 1 and on line 2 and if there is anew call received on line 3, you cannot transfer any of the calls toa fourth part.4.6 Parallel RingingParallel ringing makes it possible for an incoming call to ring severalphones simultaneously and for the call to be answered on any of thesephones. The main advantage of this feature is that you do not risk losingany calls.The parallel ringing feature requires all phones involved to be defined ina parallel ringing list, which is set up by the system administrator. Onlycalls to a predefined main extension will be distributed to the phones onthe parallel ringing list. Incoming calls to other extensions will ring onlyon their respective extensions.