AT Command Set
Preliminary
19
Order No. DM336P-002-01
Version : DM336P-AT-P04
the modem.
#VLS=3 This command routes the auxiliary input
device through the modem.
#VLS=4 This command is the same as #VLS=0,
except the modem enables the internal
speaker.
#VLS=6 This command enables the microphone and
speaker interface, use for speaker
phone mode.
#VRX
Set Voice Receive Mode
This action command is only valid if the
modem is in the on-line voice command
mode.
#VTX
Set Voice Transmit Mode
This action command is only valid if the
modem is in the on-line voice command
mode.
Voice mode Result codes
OK
Command valid and executed successfully.
ERROR
Command error and can not be executed.
VCON
Issued in Voice mode (#CLS=8) when the
modem determines that the remote modem
or handset has gone off-hook, or when returning to on-line voice command mode.
NO ANSWER
Issued in Voice mode (#CLS=8) when
the modem determines that the remote
modem has not picked up the line after the S7
timer has expired.
CONNECT
When Voice transmission by DTE can
begin.
Voice mode Shielded codes
<DLE>0-9
DTMF digits 0 through 9
<DLE>*,#
DTMF digits *, #
<DLE>A-D
DTMF A through D
<DLE>a
Answer Tone detected
,V.35/T30 2100Hz
answer tone is detected.
<DLE>b
Busy
, The busy cadence is detected.
<DLE>c Calling Tone
, T.30 1100Hz Calling tone
is Detected.