HP MSR2000/3000/4000 Router Series Voice Command Reference

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Usage guidelines
The echo cancellation delay is the time from when a subscriber speaks to when the subscriber hears the
echo.
Examples
# Enable echo cancellation, and configure the echo cancellation delay as 24 milliseconds on voice
interface 1/0.
<Sysname> system-view
[Sysname] subscriber-line 1/0
[Sysname-subscriber-line1/0] echo-canceler enable
[Sysname-subscriber-line1/0] echo-canceler delay 24
Related commands
• echo-canceler enable
• echo-canceler tail-length
echo-canceler enable
Use echo-canceler enable to enable echo cancellation.
Use undo echo-canceler enable to disable echo cancellation.
Syntax
echo-canceler enable
undo echo-canceler enable
Default
Echo cancellation is enabled.
Views
FXS interface view, FXO interface view, E&M interface view
Predefined user roles
network-admin
Examples
# Enable echo cancellation on voice interface 1/0.
<Sysname> system-view
[Sysname] subscriber-line 1/0
[Sysname-subscriber-line1/0] echo-canceler enable
Related commands
• echo-canceler delay
• echo-canceler tail-length
echo-canceler tail-length
Use echo-canceler tail-length to configure the echo cancellation coverage.
Use undo echo-canceler tail-length to restore the default.