T +Sidet; Echo - Wavecom WMO1-G900 User Manual

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

+ECHO

AT+ECHO=<val1>,<val2>
attenation
- 18 db
- 24 db
-30 db
- 36 db
+SIDET
<val1>
0
1
command valid
current value
command valid
<val1>
0
1
presence
SideTone is disabled
SideTone is enabled
presence
Echo is disabled
Echo is enabled
18