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Appendix
Alert tones
Handset alert tones
One short beep Tone of each key press, if key tone is turned on.
One long beep Indication to begin recording a message, memo or
announcement.
Two short beeps
You are pressing CID or DIR when the volume is already at its
highest or lowest setting.
-OR-
You have reached the end of the caller ID history.
-OR-
Call waiting tone.
-OR-
Error tone.
Confirmation tone
(Three rising tones)
The telephone has completed the command successfully.
Four beeps The other party has ended your intercom call.
-OR-
Out of range while the handset is on a call.
Four short beeps Low battery warning.
Four rising tones Your Android cell phone has received mobile notification.
Telephone base alert tones
One long beep Indicates the start of message recording during call screening
or the end of a message playback session.
Beeps once every 10 seconds Message alert.
Two short beeps Registration slots are full.
Four short beeps Registration failure.