Smart Machine Smart Decision
SIM800 Series_Bluetooth_Application_V1.02
19
2014-06-30
2.17.
AT+BTATH Hung up voice call
AT+BTATH Hung up voice call
Execute Command
AT+BTATH
Response
OK
Note
When module connected with smartphone as an earphone, the incoming
call would be hung up through this command
2.18.
AT+BTVGS Configure voice volume
AT+BTVGS Configure voice volume
Response
+BTVGS: (<gain>
range
)
OK
Test Command
AT+BTVGS=?
Module is Earphone mode
Response
+BTVGS: <gain>
OK
Read Commnad
AT+BTVGS?
Response
OK
Write Command
AT+BTVGS=<ga
in>
Parameter
<
gain
> volume
This command is used configure call volume when the module is
connected with smartphone as an earphone
Note
For some smartphone,after connected with BT earphone,the current call
volume may not be transmitted to earphone,thus the return value of the
read command may be 0.But after setting once,the value would be correct.
2.19.
AT+BTVGM Configure MIC gain level
AT+BTVGM Configure MIC gain level
Response
+BTVGM: (<gain>
range
)
OK
Test Command
AT+BTVGM=?
Read Command
AT+BTVGM?
Response
+BTVGM: <gain>
OK
