Spectralink 7520 and 7540 User Guide
14158600 Version 10.0
March, 2014 15
Appears when an external incoming call arrives.
Appears when an internal incoming call arrives
Appears when you make a call.
Appears when the handset is off hook or a call is connected.
Appears when you receive a message
Appears when the handset is placed in charger.
Appears when the battery is fully charged.
Indicates that the entire keypad is locked.
Appears when all sounds are disabled.
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