Adjusting timing parameters

Step

Command

Remarks

1. Enter system view.

system-view

N/A

2. Enter analog voice interface view.

subscriber-line line-number

N/A

3. Set 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. Set the maximum interval for dialing the next digit.

timer dial-interval interval

The default is 10 seconds.

5. Set the maximum duration for playing ringback tones.

timer ring-back seconds

The default is 60 seconds.

6. Set the dial delay time.

delay start-dial seconds

The default is 1 second.

This command applies only to FXO and FXS interfaces.

7. Set 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 only to FXS interfaces.

8. Set the maximum duration the terminating device waits for the first digit.

timer wait-digit { seconds | infinity }

The default is 5 seconds.

This command applies only to E&M interfaces.