Using Aastra 480i SIP IP Phone Features619500101-1A Copyright © 2009 ADTRAN, Inc. 13To answer a call1 If you want handsfree operation, press the Pickup softkey or the line/call appearance button for theincoming call.2 If you want handsfree or headset operation, press the button for handsfree or headset.The setting that you have selected in the Options List for Audio Mode determines whether the callgoes to handsfree or headset operation.3 If you want handset operation, lift the handset.2.4 Holding and Resuming CallsWhen you put a call on hold, only your phone can retrieve the call.To put a call on hold1 Make sure that you are connected to the call that you want to put on hold.2 Press the Hold softkey.The line/call appearance light begins to flash slowly, and the screen displays “Hold” with the linenumber the call is held at on your phone.Automatic holdWhen you are juggling multiple calls, you do not have to press the hold button to go from one call to thenext. The phone automatically puts the current call on hold when you press a new line/call appearancebutton.Retrieving a call from holdIf you have more than one call on hold, you can scroll through the held call information by pressing thenavigation arrow keys. To reconnect to a call, press the line/call appearance button when this call is beingheld, or press the Pickup softkey.2.5 Muting and Unmuting CallsPress the microphone button to mute handset, headset, or handsfree. The speaker light flashes slowly andthe text “Mute” appears on the screen. You can still hear the caller, but the caller does not hear you. Switchbetween mute and unmute by pressing the microphone button.2.6 ConferencingThe 480i phone supports up to three parties (including you) in a conference call. This is a 3-way call.If you put a muted call on hold, the phone automatically takes the call off mute when youreconnect to the call.