Making Calls
6.Press Done to save changes and exit.
7.If you do not wish to save changes, press Cancel to return to the previous screen.
NOTE: By default, the volume for the headset microphone is set to medium.
To Make and Receive Calls Using a Headset
IP Phone UI
1.Ensure that you have selected a headset audio mode by accessing the Options list (under option Headset Settings).
2.Plug the headset into the jack.
3.Press the key to obtain a dial tone or to answer an incoming call.
Depending on the audio mode selected from the Options menu, a dial tone or an incoming call will be received on either the headset or the handsfree speakerphone.
4.Press the Nto end the call.
68Model 57i IP Phone User Guide