key on the Mitel phone keypad to get dial tone or answer a incoming call through the headset. The Headset icon
appears when the headset is in use. Press the "Speaker" key again to disconnect the call.Disconnecting the headset automatically enables the handset.
* You cannot use speakerphone when the Mitel phone is in Headset Mode. If you want to use speakerphone function, you need to turn off the headset mode.