Internet Telephony Gateway User's Manual

SIP Voice Gateway User’s Manual
Command Line Interface
51
set coding
profile_id
nom_delay
Syntax description
Delay
Value in milliseconds.
set coding
profile_id
vad
{on | off}
This command is used to enable/disable the Voice Activity Detector (VAD) for a coding profile.
Syntax description
On
Enable VAD.
Off
Disable VAD.
set coding
profile_id
vad_thresh
This command is used to set threshold level for the VAD for a coding profile.
Syntax description
threshold
Value in dBm, ranging from –20 to +10.
set coding
profile_id
vif
This command is used to set the size of the Voice Information Field (VIF), in bits, for a voice coder.
Syntax description
Coding type Sampling time VIF
G.711
μ
-law
10 ms 640
20 ms 1,280
30 ms 1,920
G.723 30 ms 192
60 ms 384
G.729AB 10 ms 80
20 ms 160
30 ms 240
40 ms 320
50 ms 400
60 ms 480
Note: