CONTENTS
SYSTEM TONES
3.3
Ringback Tone—Indicates the station you dialed is ringing.
Busy Tone—Indicates the station you dialed is busy.
DND/No More Calls Tone—Fast busy tone indicates the station you
dialed is in the Do Not Disturb mode or cannot receive any more calls.
Transfer/Conference Tone—Indicates your call is being held and you can
dial another party.
Confirmation Tone—Very short beeps followed by dial tone indicate you
have correctly set or canceled a system feature.
Error Tone—A distinctive two level beeping tone indicates you have
done something incorrectly. Try again.
RINGBACK TONE—1000 ms ON/3000 ms OFF
BUSY TONE—500 ms ON/500 ms OFF
DND/NO MORE CALLS TONE—250 ms ON/250 ms OFF
TRANSFER/CONF TONE—100 ms ON/100 ms OFF
CONFIRMATION TONE—50 ms ON/50 ms OFF
ERROR TONE—50 ms of tone 1/50 ms of tone 2
CONTINUOUS
CONTINUOUS
FOR TEN SECONDS
CONTINUOUS
FOR ONE SECOND
(programmable)
FOR THREE SECONDS
Intercom Dial Tone—A steady tone that indicates you can begin dialing.
DIAL TONE
CONTINUOUS