HP MSR SERIES, Configuration Manual

Page: 729 / 889

712
Item Description
Comfortable Noise Function
Generate some comfortable background noise to replace the toneless intervals
during a conversation. If no comfortable noise is generated, the toneless
intervals will make both parties in conversation feel uncomfortable.
•
Enable.
•
Disable.
By default, the comfortable noise function is enabled.
Busy Tone Sending
•
Enable.
•
Disable.
With the busy-tone sending function enabled, you can set the duration of busy
tones.
Duration of Busy Tone
Echo Cancellation Function
•
Enable.
•
Disable.
After enabling this function, you can set the echo duration, that is, the time that
elapses from when a user speaks to when he hears the echo.
Echo Duration
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 732 .