Audible Signals
The Distinctive Ringing feature enables you to differentiate between internal and
external call ring tones. The following are representations of the internal and
external call ring cadences:
Internal ringing signal
External ringing signal
Visible signals
The LEDs on your telephone use a variety of signals to indicate the traffic state of
an ongoing call or a function.
Incoming calls
Rapidly flashing
Message LED and Line
indication LED
Receiving voice mails
Slowly flashing
Message LED
Line in use
Steady lighting Line
indication LED
Slowly flashing Line
indication LED
Line is on hold
Steady lighting
Speakerphone
indication LED
Steady lighting Mute
indication LED
Speakerphone or headset in use
Mute in use
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IPW2000
Information