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When on a call, you can use the function keys (f1, f2, f3, f4, f5, f6, f7, and f8) to control the telephone. Table 2 shows the function keys and their associated action during telephone calls.

Table 2: USB keyboard function keys during telephone calls

Function key

Action

 

 

f1

Go to Handsfree mode

 

 

f2

Go to Headset mode

 

 

f3

Place the current call on hold

 

 

f4

Mute the current call

 

 

f5

Volume up

 

 

f6

Volume down

 

 

f7

Copy

 

 

f8

Quit

 

 

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Nortel Networks 1140E manual USB keyboard function keys during telephone calls, Function key Action