2.6 Hardware (H/W) Settings
144 Programming Manual
Value Range
0–5 times
Glitch Time
Specifies the minimum length of a glitch before it is recognised by the VPS as a glitch.
Value Range
40 ms–100 ms
Unique Cyclic Tone Detection
Specifies whether the VPS detects unique cyclic tones and interprets them as the end of a call.
Value Range
Disable, Enable
Silence Detection for Off-hook Detection
Specifies whether the VPS interprets silence detection as off-hook detection. If there is a long period
of silence after a call is dialled, select "Disable" to prevent the VPS from detecting the silence as an
off-hook signal.
Value Range
Disable, Enable
CNG Detection Sensitivity
Specifies CNG detection sensitivity.
Value Range
-53 dBm – -43 dBm
VOX Detection Sensitivity
Specifies VOX detection sensitivity.
Value Range
-55 dBm – -25 dBm
VOX Undetected Length
Specifies the length of time during which the VPS can detect VOX. If VOX is not detected within the
specified time, the VPS will not detect VOX for the call.
Value Range
1000 ms–60000 ms, units 500 ms
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