352
Item Description
Nonlinear Function of Echo
Cancellation
• Enable.
• Disable.
DTMF Detection Sensitivity
Level
Set the DTMF detection sensitivity level.
• Low—In this mode, the reliability is high, but DTMF tones might fail to be
detected.
• Medium—In this mode, the reliability is medium. If you select this option,
you can specify the Frequency Tolerance of Medium DTMF Detection
Sensitivity Level. The greater the value, the higher the probability of
false detection. Support for this option varies with installed cards.
• High—In this mode, the reliability is low and detection errors might
occur.
Configuring an E&M subscriber line
Select Voice Management > Line Management from the navigation tree, and then click the
icon of the E&M line to be configured to access the E&M line configuration page, as shown in Figure
73
5.
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