Vtx - start modem transmit (playback), Syntax, Result codes – Longshine LCS-8156C1 User Manual
Page 173: Vgr - voice gain receive (record gain), Reporting current or selected values, Reporting supported range of parameter values
AT Commands for CX930xx Modem Reference Manual
102752B
Conexant
5-9
+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.
+VGR - Voice Gain Receive (Record Gain)
This command causes the modem to set the gain for received voice samples.
Syntax
+VGR=<gain>
0 (only valid number) selects automatic gain control
Reporting Current or Selected Values
Command: +VGR?
Response: <gain>
Example:
0
For the default setting.
Reporting Supported Range of Parameter Values
Command: +VGR=?
Response: <gain>
range
Example: 0
Result Codes
OK
<gain> = 0.
ERROR
Otherwise, or if not in Voice Mode.