Comtrol AT Commands for SmartACFL User Manual
Page 152

Command Reference Manual
6-8
Conexant
100722A
6.2.2.4 +VTX - Start Modem Transmit (Playback)
This command causes the modem to start the voice transmission process.
Syntax
+VTX
Result Codes
CONNECT
The modem accepts the command.
ERROR
The modem is not connected to at least one off-hook telephone line or one non-telephone line.
6.2.2.5 +VGR - Voice Gain Receive (Record Gain)
This command causes the modem to set the gain for received voice samples.
Syntax
+VGR=
0 (only valid number) selects automatic gain control
Reporting Current or Selected Values
Command: +VGR?
Response:
Example:
0
For the default setting.
Reporting Supported Range of Parameter Values
Command: +VGR=?
Response:
Example:
0
Result Codes
OK
ERROR
Otherwise, or if not in Voice Mode.
6.2.2.6 +VGT - Voice Gain Transmit (Playback Volume)
This command causes the modem to set the volume level.
Syntax
+VGT=
Defined Values
Decimal number corresponding to the volume level.
Reporting Current or Selected Values
Command: +VGT?
Response:
Example:
128
For the default setting.
Reporting Supported Range of Parameter Values
Command: +VGT=?
Response:
Example:
0-255
Result Codes
OK
ERROR
Otherwise, or if not in Voice Mode.