AASTRA 53i ip phone Manual

Model 53i IP Phone User Guide  79

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 

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 will be 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