At+Cecdt Inhibit Echo During Doubletalk - SimCom SIM7500 Series At Command Manual

Defined values
<value>
Gain value from 0x0000-0x7fff, default value is not a fixed value. It varies with different versions.
Examples
AT+CECH=0x1234
OK
AT+CECH?
+CECH: 0x0200
OK
6.33

AT+CECDT Inhibit echo during doubletalk

Description
This command is used to adjust additional muting gain applied in DES during doubletalk. It modify
the DENS_gamma_e_dt of TX_VOICE_SMECNS in DSP. The bigger the value, the stronger the
inhibition .This command only be used during call and don't save the parameter after call.
SIM PIN References
NO Vendor
Syntax
Test Command
AT+CECDT=?
Read Command
AT+CECDT?
Write Command
AT+CECDT=<value>
Defined values
<value>
Gain value from 0x0000-0x7fff, default value is not a fixed value. It varies with different versions.
Examples
AT+CECDT=0x1234
SIM7500_SIM7600 Series_AT Command Manual_V1.07
Responses
+CECDT: (list of supported <value>s)
OK
Responses
+CECDT: <value>
OK
Responses
OK
ERROR
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143 2017-12-25