User`s manual

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3.4.6 Phone Setting
Primary Ringing
Ringing Frequency Specify the Ringing frequency value.
ringing frequency : 15~100 (Unit : Hz)
Ringing ON Specify the Ringing ON value.
ringing ring ON : 0~8000 (Unit : ms)
Ringing OFF Specify the Ringing OFF value.
ringing ring OFF : 0~8000 (Unit : ms)
Ringing level Specify the ringing level.
ringing level : 0 ~ 94 (Unit : V)
Flash low Specify the value of the flash (low).
: 60~2000 (Unit : ms).
If the phone-set’s flash time is smaller than
the Flash Low setting, the flash will be
ignored.
Flash high Specify the value of the flash (high).
: 60~2000 (Unit : ms)