PLANET VGW-400FO - Manual (Page 49)

4-Port SIP Internet Telephony Gateway
VGW-400 Series
6.3 Ring
The ring cadence, voltage and frequency were configured to the phone.
Item Explanation
Frequency (10~70HZ) Specify the ringing frequency value (default is 20HZ)
Ring on (0~8000ms) Specify the ringing on value (default is 1000msec)
Ring off (0~8000ms) Specify the ringing off value (default is 2000msec)
Ring level (10~95volt) Specify the ringing level (default is 94 volt RMS value
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