Check Configuration and Make a Test Call
1If your desk phone has a volume control set it to
2Look at the bottom panel of your base and make sure the default settings are correct.
Listening volume dial ( 
) = 2 and Speaking volume dial ( 
) = 2
Configuration switch = A
Desk phone volume =
3Remove the handset from desk phone cradle.
4While wearing your headset, press the call control button on the headset.
5If you do not hear a dial tone, adjust the configuration switch
6Dial a test call from the desk phone. If needed, fine tune the volume with the headset volume controls. You can also adjust the desk phone speaking and listening volumes on the bottom of the base.
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