You can not image how many times I have looked into this document from last 15 days. Nothing worked.
Here are the mic and speaker settings I am using.
AT+QMIC=2,15
ATM2
ATL3
AT+CLVL=100
AT+QSIDET=0
AT+QAUDCH=2
I tried all these below echo suppression commands.
AT+QAPS=1,4,2,“128.224.3208.31.57351.24607.400.0.80.4325.99.0.16392.0.0.0”
AT+QAPS=1,4,2,“192.224.3208.31.57351.24607.400.0.80.4325.99.0.16392.0.0.0”
AT+QAPS=1,4,2,“254.224.3208.31.57351.24607.400.0.80.4325.99.0.16392.0.0.0”
AT+QAPS=1,4,2,“254.224.2000.31.57351.24607.400.0.80.4325.99.0.16392.0.0.0”
AT+QAPS=1,4,2,“254.224.2000.31.57351.24607.400.0.80.4325.99.0.16392.0.0.8192”
AT+QAPS=1,4,2,“64.224.6212.31.57351.24607.400.0.80.4325.99.0.20488.0.0.8192”
AT+QAPS=1,4,2,“96.224.5256.31.57351.24607.400.0.80.4325.99.0.20488.0.0.8192”
AT+QAPS=1,4,2,“128.224.5256.31.57351.24607.400.0.80.4325.99.0.16392.0.0.8192”
AT+QAPS=1,4,2,“192.224.3208.31.57351.24607.400.0.80.4325.99.0.16392.0.0.8192”
AT+QAPS=1,4,2,“96.253.10756.31.57351.31.400.0.80.4325.99.0.20488.0.0.8192”
AT+QAPS=1,4,2,“255.255.100.31.57351.31.400.0.80.4325.99.0.100.0.0.8192”
AT+QAPS=1,4,2,“0.255.32512.31.57351.31.400.0.80.4325.99.0.32512.0.0.8192”
AT+QAPS=1,4,2,“253.253.0.31.57351.31.400.0.80.4325.99.0.0.0.0.8192”
AT+QAPS=1,4,2,“253.253.500.31.57351.31.400.0.80.4325.99.0.500.0.0.8192”
AT+QAPS=1,4,2,“254.224.0.31.57351.24607.400.132.80.4325.99.0.0.0.0.0”
AT+QAPS=1,4,2,“254.224.10.31.57351.24607.400.132.80.4325.99.0.10.0.0.0”
AT+QAPS=1,4,2,“224.224.100.31.57351.24607.400.132.80.4325.99.0.100.0.0.0”
Echo is still there