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Appendix 
135
Alert tones and lights
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 
TCID or SDIR on a cordless handset when the 
volume is already at its highest or lowest setting. 
-OR-
Call waiting tone. 
-OR-
Error tone.
œÂÁèÅÀ´Ç¼ÂÁÇÂÁ¸ 
(three rising tones)
The system has completed the command successfully.
Four beeps
The other party has ended your intercom call.
-OR-
The handset has gone out of range from the base during a call.
Four short beeps
Low battery warning.
Telephone base 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.
Indicates the start of message recording during call screening or 
the end of a message playback session. 
Two short beeps
You are pressing 
T/VOLUME/S on the telephone base when the 
volume is already at its highest or lowest setting. 
-OR-
Call waiting tone. 
-OR-
Error tone.
-OR-
Registration slots are full.
œÂÁèÅÀ´Ç¼ÂÁÇÂÁ¸ 
(three rising tones)
The system has completed the command successfully.
Four beeps
The other party has ended your intercom call.
Four short beeps
Registration failure tone.
Beeps every  
ten seconds
Message alert.