Command Reference Guide

3Com Router 5000 Family and Router 6000 Family vi-card busy-tone-detect ● 307
Command Reference
vi-card busy-tone-detect
Purpose Use the vi-card busy-tone-detect command to configure busy tone
detection method on FXO subscriber-line.
Syntax vi-card busy-tone-detect { auto index line-number [ free | time ] |
custom area-number index argu f1 f2 p1 p2 p3 p4 p5 p6 p7 }
undo vi-card busy-tone-detect custom index
Parameters Index
Identify busy tone detection feature types, in the range
0 to 3.
line-number
Subscriber line number, the range of which is
determined upon the router type and the card inserted
on. It can only be an even number.
free
Release data and stop busy tone detection.
time
Specify the time for busy tone detection.
area-number
A number, reserved parameter currently, set to 2.
argu
Reserved.
f1
Frequency of single frequency tone in Hz.
f2
Reserved.
p1
Energy threshold of single frequency tone.
p2
Reserved.
p3
Duration of single frequency tone, in milliseconds.
p4
Error range for duration of single frequency tone, in
milliseconds.
p5
Duration of silence tone, in milliseconds.
p6
Error range for duration of silence tone, in
milliseconds.
p7
Difference between the duration of single frequency
tone and silence duration,, in milliseconds, that is, the
difference between p3 and p4.
Example Enable busy tone detection feature 0 on the subscriber line 0.
[Router-voice] vi-card busy-tone-detect auto 0
View This command can be used in the following views:
■ Voice view