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2.5.3 Handset volume
Volumes for each tone are shown below.
Tone Type
Level
Comment
Key Touch Tone
LOW
-
Error Tone
HIGH
-
Confirmation Tone
HIGH
-
Battery Low Alert Tone
LOW
Used to warning for battery low
Range Alarm Tone
LOW
Used to warning for out of RF link range
Beep Tone
LOW
The PBX Expansion board requires this tone
Bell Tone A-F
HIGH/MID/LOW/OFF It depends on Ringer Volume Setting.