Em-Phy-Parm; Em-Signal - H3C MSR 20-20 Command Reference Manual

Related command:
Example

em-phy-parm

Syntax
View
Parameter
Description
Example

em-signal

Syntax
Use the
undo echo-canceller
By default, the convergence rate of comfort noise amplitude is 0, the maximum
amplitude of comfort noise is 256, the comfort noise mixture proportion control
factor is 100, and the threshold of two-way talk is 1.
echo-canceller.
# Set the convergence rate of comfort noise amplitude to 50.
<Sysname> system-view
[Sysname] voice-setup
[Sysname-voice] echo-canceller parameter convergence-rate 50
em-phy-parm { 2-wire | 4-wire }
undo em-phy-parm
Analog E&M voice subscriber line view
2-wire: Chooses the 2-wire analog E&M wire scheme.
4-wire: Chooses the 4-wire analog E&M wire scheme.
Use the
em-phy-parm
subscriber line.
Use the undo em-phy-parm
By default, the 4-wire analog E&M cable is selected.
This command is only applicable only to the analog E&M subscriber line. The
configuration will apply to all E&M interfaces of the card after you configure this
command.
# Choose the 4-wire scheme for the analog E&M subscriber line.
<Sysname> system-view
[Sysname] voice-setup
[Sysname-voice] subscriber-line 1/0
[Sysname-voice-line1/0] em-phy-parm 4-wire
em-signal { delay | immediate | wink }
undo em-signal
command to restore the default.
command to configure a wire scheme for the analog E&M
command to restore the default.
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