Configuring The Echo Adjustment Function - HP FlexNetwork MSR Series Configuration Manual

Step
1. Enter system view.
2. Enter E1/T1 interface view.
3. Create a TS set according to
the selected signaling mode.
4. Exit E1/T1 interface view.
5. Enter voice subscriber line
view.
6. Configure the input gain on
the voice interface.
7. Configure the output gain on
the voice interface.
IMPORTANT:
Gain adjustment might lead to a call failure. Hewlett Packard Enterprise recommends not adjusting
the gain. If necessary, make sure you understand the impact of the adjustment on your call before
you adjusting the gain.

Configuring the echo adjustment function

Step
1. Enter system view.
2. Enter E1/T1 interface view.
3. Create a TS set according to
the selected signaling mode.
4. Exit E1/T1 interface view.
5. Enter voice subscriber line
view.
6. Enable the echo cancellation
function.
7. Configure echo duration.
8. Enable the nonlinear
function of echo
cancellation.
Command
system-view
controller { e1 | t1 } slot-number
timeslot-set ts-set-number timeslot-list
timeslots-list signal { e&m-delay |
e&m-immediate | e&m-wink | fxo-ground
| fxo-loop | fxs-ground | fxs-loop | r2 }
quit
subscriber-line
slot-number:ts-set-number
receive gain value
transmit gain value
Command
system-view
controller { e1 | t1 } slot-number
timeslot-set ts-set-number
timeslot-list timeslots-list signal
{ e&m-delay | e&m-immediate |
e&m-wink | fxo-ground |
fxo-loop | fxs-ground | fxs-loop
| r2 }
quit
subscriber-line
slot-number:ts-set-number
echo-canceller enable
echo-canceller tail-length
milliseconds
nlp-on
69
Remarks...
N/A
N/A
N/A
N/A
N/A
Optional.
The default is 0.
Optional.
The default is 0.
Remarks
N/A
N/A
N/A
N/A
N/A
Enabled by default.
Optional.
The default is 0 milliseconds.
Optional.
Enabled by default.
This command takes effect only
after the echo-canceller enable
command is issued.