Voice Shielded Dte Commands; Table 19. Voice At Commands - ZyXEL Communications OMNI 56K User Manual

User's Guide for ZyXEL Omni 56K and Omni 56K Plus Modems
+VRA Ring back
goes away
timer
+VRN Ring back
never come
timer
+VTX Voice transmit
mode
+VSD Silence
detection
+VSM Selection of
compression
method
+VTS= Dual Tone
[x,y,z] Generation
+VTS= DTMF Tone
{x,y} Generation
+VTS= DTMF Tone
x,x ... Generation
+VTD Set default
duration of
DTMF tone.
+VIT Inactivity timer. 0-255

Voice Shielded DTE Commands

Command
<DLE>p
<DLE>r
<DLE><ETX>
5-16
0 – 255 70
0 – 255 10
NA NA
Threshold, 15,70
Period
(0-255), (0-255)
4;ZyXEL 4,9600
ADPCM; 4
Bit;(9600)
x: 0-3000 Hz NA
y: 0-3000 Hz
z: 0- 1000(10ms)
x:0-9,*,#, A-D NA
y:0-1000 (10ms)
x:0-9,*,#, A-D NA
1-255 100
70

Table 19. Voice AT Commands

Description
Pause, suspend voice data to the output device in playback state.
Resume , resume suspended voice data in playback state.
Terminate voice playback state, switch to online voice command
mode after completing remaining data in buffer.
0 : turn off the timer
1-255: Defines the period without ringback
(after at lease one ringback has been
detected) in 100 -ms units.
0 : turn off the timer
1-255: Defines the period without ringback
after dialing in 1 sec unit.
Switches to voice transmit mode.
Threshold:
0: Disable silence detection.
1-255: The smaller the value, the more
sensitive to the silence detection it will be.
Period:
1-255: The required period of silence
detection before DCE reporting the silence
event.
0: Disable silence detection.
Unit: 0.1 second
IMA 4 bit ADPCM.
Sample rate : 9600
x: first tone frequency
y: second tone frequency
z: duration in 10ms unit
x: DTMF digits (0-9,*,#, A,B,C,D)
y: duration in 10ms unit
x: DTMF digits (0-9,*,#, A,B,C,D)
Duration:+VTD setting. (in 10ms unit)
Unit: 0.01 second.
Unit: 0.1 second.