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480i SIP IP Phone User Guide
Aastra - 2711-001 15
Step Action
3. If in speaker audio mode:
Lift the handset to go back to the handset. Press
to switch again to switch
back to the speaker.
4. If in speaker/headset audio mode:
Press
to switch between handsfree and headset.
5. When the handset is on hook:
Press
to disconnect a handsfree call. When handsfree is on, the speaker light
turns on.
Use a Headset
The 480i accepts headsets through the modular RJ22 jack on the back of the phone.
Contact your telephone equipment retailer or distributor to purchase a compatible
headset. Customers should read and observe all safety recommendations contained in
headset operating guides when using any headset.
Advanced Volume Controls for the Headset Microphone
On the 480i, there are 3 options for the headset microphone volume. To change this
volume:
Step Action
1. Press the Options button to open the Options List.
2.
Use
to scroll down the list of options to Set Audio and press the Show
softkey.
3. Press the Advanced softkey.
4.
Use
to scroll down the list or press the Change softkey to go to the next
selection.
5. Press the Done softkey to save changes and exit.
6. If you do not wish to save changes, press the Cancel softkey.
By default, the volume for the headset microphone is set to medium.