Dialogic 4000 Series SU4.1 Guide de l'utilisateur Page 167

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Dialogic
®
1000 and 2000 Media Gateway Series User’s Guide 167
Parameter Reference
3.19.1.12 Call Progress Filter High Cutoff (DMG1000 Only)
Description: Specifies the high cut-off frequency for the Call Progress Tone Detector. Call
progress signals above this frequency will be ignored.
Allowed Values: 500 Hz to 2000 Hz
Default Value = 650 Hz
INI File Parameter Name = cpFilterHighCutoff
Note: Unit requires a restart if this parameter value is changed.
3.19.1.13 Call Progress Filter SNR in dB (DMG2000 Only)
Description: Specifies the Signal to Noise Ratio (SNR) of the Call Progress Tone Detector. Call
progress signals whose SNR is lower than specified will be ignored.
Allowed Values: 0 dB to 40 dB
Default Value = 20 dB
INI File Parameter Name = cpFilterSnr
Note: Unit requires a restart if this parameter value is changed.
3.19.1.14 Call Progress Filter Two Tones Max Twist in dB (DMG2000 Only)
Description: Specifies the maximum twist for two tone Call Progress Tones. Call progress signals
that consist of two tones whose power ratio of the tones is greater than the specified twist will be
ignored.
Allowed Values: 0 dB to 12 dB
Default Value = 3 dB
INI File Parameter Name = cpFilterMaxTwist
Note: Unit requires a restart if this parameter value is changed.
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