ZyXEL Communications 2864 Series User Manual page 198

DTE
AT+VSM=2
AT+VLS=16
AT+VTX
<DATA>
<DLE><ETX>
AT+VLS=0
AT+FCLASS=0
Voice file playing via line
DTE
AT+FCLASS=8
AT+VSM=?
AT+VSM=4
DCE
2;ADPCM;2;0;(9600)
3;ADPCM;3;0;(9600)
30;ADPCM;3;0;(9600)
4;ADPCM;4;0;(9600)
OK
OK
VCON
CONNECT
OK
OK
OK
DCE
OK
2;ADPCM;2;0;(9600)
3;ADPCM;3;0;(9600)
30;ADPCM;3;0;(9600)
4;ADPCM;4;0;(9600)
OK
OK
16–22
Description
Selects the 2-bit ADPCM
compression method.
Activates internal speaker.
Starts replay.
Returns to the command
state.
Deactivates the internal
speaker.
Returns to the data mode.
Description
Switches to voice mode.
Selects the 4-bit ADPCM
compression method.