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6
How to use the USB telephone
Keys description
HEADSET STATE INDICATOR
The lamp is lit when the headset connected to the telephone is active
.
POWER INDICATOR
The lamp is lit when the telephone is powered
(i.e. connected to the PC through one USB
port).
IN / OUT
These keys are used to display the list of recent inbound/outbound calls.
UP / DOWN
/
These keys are used to browse through the list of recent inbound/outbound calls.