RAD Data comm Vmux-210 Technical Information download pdf (Page 69)

User's Manual Chapter 3 Configuration Management

Vmux-210 Ver. 1.0 Additional Tasks 3-43

Advanced Voice Parameters

Figure 3-27. Advanced Voice Parameters Dialog Box

Table 3-26. Advanced Voice Parameters

Parameter Possible Values/Remarks

DTMF Detection Enables or disables DTMF (Dual Tone Multi Frequency) detectors for this bundle

Enable, Disable

Default: Disable

NLP Cutoff Level

(Amplitude)

The non-linear processor (NLP) cutoff level for this bundle

0..1023

Default: 512

Note: This parameter is used by the echo canceller. It defines the maximum

absolute linear PCM amplitude of the near-end signal that will cause the NLP

module to be active and to mute low level residual echo & noisy surroundings.

DTD ERL Ratio Cutoff

(Q3)

The Double Talk Detection (DTD) Echo Return Loss (ERL) cutoff level

0..96

Default: 15

Note: This parameter is used by the echo canceller when echo exists and there is

voice with low volume on the line, in order to determine whether the near-end is

talking or not. Echo Return Loss (ERL) is the power difference in dB between the

far-end signal and the echo returned.

[OK] Click <OK> to close the dialog box.

Reading (Uploading) the Agent Configuration

The Read command uploads the current Agent configuration to the Edit

configuration.

The Read command is only available when there is communication with the

Agent.

Not

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RAD Data comm Vmux-210 Technical Information Page 69