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112 Model 6753i IP Phone User Guide
Making Calls
• If you are in Speaker audio mode, lift the handset and press to switch between
handsfree and handset.
• If you are in Speaker/headset audio mode, press to switch between handsfree and
headset.
• When the handset is on hook, press to disconnect the call.
When handsfree is on, the speaker light turns on.
Using a Headset
The 6753i 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 6753i, there are 3 options for the headset microphone volume. For more information
about the headset microphone, see “Headset Mic Volume” on page 27.
To change the volume:
1. Press to enter the Options list.
2. Select Preferences and press 4.
3. Use 2 to scroll down to Set Audio and press 4 to select.
4. Press 2 to scroll down to Headset/Mic Volume and press 4 to select.
5. Use 2 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.
Note: Customers should read and observe all safety recommendations contained
in headset operating guides when using any headset.
IP Phone UI
Note: By default, the volume for the headset microphone is set to medium.