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9.2.4 PBX Configuration—[1-1] Configuration—Slot—System Property—NSVM
SNS On/Off for Packet-to-PCM path
Specifies whether SNS is on or off for the Packet-to-PCM path.
Value Range
Off, On
SNS level for Packet-to-PCM path
Specifies the SNS level for the Packet-to-PCM path.
Value Range
2 dB - 20 dB
SNS level for PCM-to-Packet path
Specifies the SNS level for the PCM-to-Packet path.
Value Range
2 dB - 20 dB
FAX Detection Ability
Enables the use of the FAX Detection Ability feature. Since fax signals using a codec other than G.711 cannot
be received accurately at the destination, this feature automatically switches the codec to G.711 to enable
end-to-end fax signal relay over the network.
Value Range
Disable, Enable
CNG Signal Effective Detection Width 1 (ON)
Specifies the length of time that the PBX detects the CNG signal.
Value Range
20–5000 ms
CNG Signal Effective Detection Width 2 (OFF)
Specifies the length of time that the PBX waits until another CNG signal is detected.
Value Range
20–5000 ms
CNG Signal Fixation Detection Counter
Specifies the number of times the CNG signal must be detected before the PBX proceeds the fax operation.
Value Range
1–3
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