One short beep
(
headset key) tone.
One short beep
every 30 seconds
Muted headset microphone alert tone.
Two beeps
Error alert tone.
The volume reaches its highest or lowest
setting.
Two low beeps
Call waiting alert tone.
Two rapid beeps
every 20 seconds
Low battery warning.
Three rising beeps
A conference call starts.
Three rapid beeps
every 10 seconds
Out of range while the headset is on a call.
A headset not yet registered with a
charged battery.
Ringer tone
Incoming call alert tone.
Ring back tone.
Alert tones and lights
Headset alert tones
Appendix
36