Audio – AT commands to configure device audio features
With AT Command Tester tool, you can get test audio features of your device.
Try this script included in AT Command Tester Tool.
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//Script-audio_testing.at
//Test Audio commands with cellular modems
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//Set ringer sound volume to 50
AT+CRSL=50
//WAIT for 1 sec
WAIT=1
//Set loud speaker volume level to 50
AT+CLVL=50
//WAIT for 1 sec
WAIT=1
//Set alert sound mode to silent
AT+CALM=1
//WAIT for 1 sec
WAIT=1
//Call number
ATD8584548988;
//WAIT for 3 sec
WAIT=3
//Send DTMF tone #255*
AT+VTS=”#,2,5,5,*”
//WAIT for 5 sec
WAIT=5
//Hangup the call
ATH
Response to above output script in AT Command Tester Tool.
AT+CRSL=50
OK
AT+CLVL=50
OK
AT+CALM=1
OK
ATD8584548988;
OK
Voice call successful
AT+VTS=”#,2,5,5,*”
OK
DTMF tones are successfully sent.
ATH
OK
Call successfully dis-connected..