ZyXEL Communications 2864 Series User Manual page 197

DTE
AT+VSM=4
AT+VLS=1
AT+VRX
<DLE><!>
AT+VLS=0
AT+FCLASS=0
Voice file playing via internal speaker.
DTE
AT+FCLASS=8
AT+VSM=?
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
<DATA>
<DATA>
<DLE><ETX>
OK
OK
OK
DCE
OK
16–21
Description
Selects 4-bit ADPCM
compression method.
Activates the telephone
set on the PHONE jack.
Starts recording.
Stops recording.
Returns to the command
state.
Deactivates the telephone
set on the PHONE Jack.
Returns to the data mode.
Description
Switches to voice mode.