R2511-HP MSR Router Series Voice Command Reference(V5)

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Parameters
busytone: Specifies busy tones as the analog E&M line failure tone and the device plays the busy tones
five times.
silence: Specifies silence mode.
Examples
# Configure busy tones as the analog E&M line failure tone failure tone.
<Sysname> system-view
[Sysname] subscriber-line 5/0
[Sysname-subscriber-line5/0] em-failure busytone
Related commands
• open-trunk
• em-passthrough
em-phy-parm
Use em-phy-parm to configure a wire scheme for the analog E&M subscriber line.
Use undo em-phy-parm to restore the default.
Syntax
em-phy-parm { 2-wire | 4-wire }
undo em-phy-parm
Default
The 4-wire analog E&M cable is selected.
Views
Analog E&M voice subscriber line view
Default command level
2: System level
Parameters
2-wire: Chooses the 2-wire analog E&M cable.
4-wire: Chooses the 4-wire analog E&M cable.
Usage guidelines
This command is applicable only to the analog E&M subscriber line. The configuration will apply to all
E&M interfaces of the card after you issue this command.
Examples
# Choose the 2-wire scheme for analog E&M subscriber line 1/0.
<Sysname> system-view
[Sysname] subscriber-line 1/0
[Sysname-subscriber-line1/0] em-phy-parm 2-wire
em-signal
Use em-signal to configure a start mode for an analog E&M voice subscriber line.