R0106-HP MSR Router Series Voice Configuration Guide(V7)

18
Adjusting parameters for voice interfaces
All configuration tasks in this section are optional.
Adjusting gains
You can adjust gains to control the amount of volume in the input or output direction.
IMPORTANT:
Gain adjustment might lead to call failures. HP recommends not adjusting the gain. If necessary, do it
under the guidance of technical engineers.
To adjust gains:
Step Command Remarks
1. Enter system view.
system-view N/A
2. Enter voice interface view.
subscriber-line line-number N/A
3. Set the input gain.
receive gain value The default is 0 dB.
4. Set the output gain.
transmit gain value The default is 0 dB.
Adjusting timing parameters
Step Command Remarks
1. Enter system view.
system-view N/A
2. Enter voice interface view.
subscriber-line line-number N/A
3. Configure the interval between
off-hook and dialing the first
digit.
timer first-dial seconds
The default is 10 seconds.
This command applies only to FXO
and FXS interfaces.
4. Configure the maximum
interval for dialing the next
digit.
timer dial-interval seconds The default is 10 seconds.
5. Configure the maximum
duration for playing ringback
tones.
timer ring-back seconds The default is 60 seconds.
6. Configure the dial delay time.
delay start-dial seconds
The default is 1 second.
This command applies to only FXO
and FXS interfaces.
7. Configure the hookflash time
range.
timer hookflash-detect
hookflash-range
By default, the hookflash time
range is 50 to 180 milliseconds. If
an on-hook condition lasts for a
period that falls within the
hookflash time range, it is
considered a hookflash.
This command applies to only FXS
interfaces.