R0106-HP MSR Router Series Voice Command Reference(V7)

28
Parameters
milliseconds: Specifies the echo cancellation delay in the range of 0 to 64 milliseconds.
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 FXS
interface 2/1/1.
<Sysname> system-view
[Sysname] subscriber-line 2/1/1
[Sysname-subscriber-line2/1/1] echo-canceler enable
[Sysname-subscriber-line2/1/1] 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 FXS interface 2/1/1.
<Sysname> system-view
[Sysname] subscriber-line 2/1/1
[Sysname-subscriber-line2/1/1] 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.