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.

Note: Customers should read and observe all safety recommendations con- tained in headset operating guides when using any 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.

IP Phone UI

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.

Note: By default, the volume for the headset microphone is set to medium.

Making and Receiving Calls Using a Headset

IP Phone UI

1.Ensure that you have selected a headset audio mode by accessing the Options list (under option Preferences->SetAudio->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.

Making Calls

Model 53i IP Phone User Guide 79

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Aastra Telecom 53i IP Phone manual Using a Headset, Advanced Volume Controls for the Headset Mic, To change the volume