User`s manual

121
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.