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

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<Sysname> system-view
[Sysname] voice-setup
[Sysname-voice] area north-america
audio-input-gain
Use audio-input-gain to set the input gain on a voice interface.
Use undo audio-input-gain to restore the default.
Syntax
audio-input-gain value
undo audio-input-gain
Default
The input gain on a voice interface is 27.5 dB.
Views
Music on hold (MoH) voice subscriber line view
Default command level
2: System level
Parameters
value: Value of the audio input gain, in the range of 19.5 to 41.5 dB with a step of 2.
Usage guidelines
Gain adjustment might decrease the quality of the input audio. Adjusting the gain is not recommended.
If necessary, make sure you understand the impact of the adjustment on your call before you use the
command.
Examples
# Set the voice input gain as 23.5 dB on the MoH voice subscriber line 1/1.
<Sysname> system-view
[Sysname] subscriber-line 1/1
[Sysname-subscriber-line1/1] audio-input-gain 23.5
bandwidth
Use bandwidth to set the expected bandwidth for a voice subscriber line.
Use undo bandwidth to restore the default.
Syntax
bandwidth bandwidth-value
undo bandwidth
Views
Voice subscriber line view
Default command level
2: System level