HP MSR2000/3000/4000 Router Series Voice Command Reference

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Examples
# Set the amplitude of the busy tone to 1200.
<sysname> system-view
[sysname] voice-setup
[sysname-voice] cptone tone-type busy-tone amplitude 1200
cng-on
Use cng-on to enable the comfortable noise generation (CNG) function on a voice interface.
Use undo cng-on to disable this function.
Syntax
cng-on
undo cng-on
Default
The CNG function is enabled.
Views
FXS interface view, FXO interface view, E&M interface view
Predefined user roles
network-admin
Usage guidelines
The CNG function generates and fills comfortable background noise into silent gaps during a
conversation.
Examples
# Disable the CNG function on voice interface 1/0.
<Sysname> system-view
[Sysname] subscriber-line 1/0
[Sysname-subscriber-line1/0] undo cng-on
default
Use default to restore the default settings for a voice interface.
Syntax
default
Views
FXS interface view, FXO interface view, E&M interface view
Predefined user roles
network-admin
Usage guidelines
The default command impacts some services. Make sure you are fully aware of the impacts of this
command when you execute it on a live network.