R2511-HP MSR Router Series Voice Configuration Guide(V5)

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Step Command Remarks
8. Configure the time range for
the duration of an on-hook
condition that will be detected
as a hookflash.
timer hookflash-detect
hookflash-range
Optional.
By default, the time range is 50 to
180 milliseconds, that is, if an
on-hook condition that lasts for a
period that falls within the
hookflash duration range is
considered a hookflash.
Applicable only in analog FXS
voice subscriber line view.
Configuring comfortable noise function
Use the cng-on command to 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.
To configure the comfortable noise function:
Step Command Remarks
1. Enter system view.
system-view N/A
2. Enter voice subscriber line
view.
subscriber-line line-number N/A
3. Enable the comfortable noise
function.
cng-on
Optional.
Enabled by default.
Rebooting a voice card
Rebooting a voice card initializes the card and interrupts all traffic on it. You can reboot a voice card
when it fails (for example, the configuration is correct but no call connection can be established). The
reboot process is indicated by the LED.
Configuration guidelines
• The vi-card reboot command reboot analog voice cards (including FXS, FXO, and E&M),
SIC-AUDIO, and BSV.
• The SIC digital voice cards and VE1 and VT1 voice cards cannot be rebooted by using commands.
• FIC analog voice cards can also be rebooted by using the reboot slot slot-number command. For
more information about the reboot slot command, see Fundamentals Command Reference.
Configuration procedure
To reboot a card: