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| Headset connector |
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| Shows time and |
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Display |
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| Shows date and |
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Soft keys |
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| Shows the soft key | ||
Navigation key |
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| function | |
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| On/Off and | ||
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Voice mail |
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| Alphanumeric keys | ||
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Key lock and |
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| Sound off button | ||
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Upper/lower |
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| Space | ||
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| Microphone |
Display Icons
Signal strength
Battery status
Microphone off
Loudspeaker on
Loudspeaker off
Sound off
Ring volume set to silent
Headset connected
Missed call
Incomming call
Outgoing call
System connection
Key lock
Phone lock
Avaya 3720 DECT Telephone - Quick Reference Guide