Model 53i IP Phone User Guide 79
Making Calls
Using a Headset
The 53i accepts headsets through the modular RJ9 jack on the back of the phone.
Contact your telephone equipment retailer or distributor to purchase a compatible
headset.
Advanced Volume Controls for the Headset Mic
On the 53i, there are 3 options for the headset microphone volume. For more
information about the headset microphone, see "Headset Mic Volume" on page 25.
To change the volume:
1. Press to enter the Options list.
2. Select Preferences and press 4.
3. Use to scroll down to Set Audio and press 4 to select.
4. Press to scroll down to Headset/Mic Volume and press 4 to select.
5. Use to scroll down the list and press 4 to select your desired volume.
6. Press 4 to save changes and 3 to exit.
7. If you do not wish to save changes, press 3 to return to the previous screen.
Making and Receiving Calls Using a Headset
1. Ensure that you have selected a headset audio mode by accessing the Options list
(under option Preferences->Set Audio->Audio Mode on the IP Phone).
2. Plug the headset into the jack.
3. Press the key to obtain a dial tone or to answer an incoming call. Depend-
ing on the audio mode selected from the options menu, a dial tone or an incoming
call is received on either the headset or the handsfree speakerphone.
4. Press the key to end the call.
Note: Customers should read and observe all safety recommendations con-
tained in headset operating guides when using any headset.
IP Phone UI
Note: By default, the volume for the headset microphone is set to medium.
IP Phone UI
