Wavecom GSM Modem
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3.12. SideTone modification +SIDET
The syntax of the command is :
AT+SIDET=<val1>,<val2>
This command is used to get an echo of the voice in the speaker (to
hear what is said in the speaker).
<val2
>
level
<val1>
presence
0
0 db
0
SideTone is disabled
1
- 6 db
1
SideTone is enabled
2
-12 db
3
-18 db
Application to GSM
AT+SIDET=1,0
GSM to application
OK
command valid
Application to GSM
AT+SIDET?
current value
GSM to application
+SIDET: 1,0
OK
command valid
3.13. Echo canceler +ECHO
The syntax of the command is :
AT+ECHO=<val1>,<val2>
This command is used for car kit applications to reduce the echo effects
than can occur in a car.
<val2
>
attenation
<val1>
presence
0
- 18 db
0
Echo is disabled
1
- 24 db
1
Echo is enabled
2
-30 db
3
- 36 db
