Smart Machine Smart Decision
SIM7500_SIM7600 Series_AT Command Manual_V1.07 2017-12-25
ERROR
Defined values
<value>
Gain value from 0x0000-0xffff, default value is not a fixed value. It varies with different versions.
Examples
OK
AT+CRXVOL?
OK
6.32 AT+CECH Inhibit far-end echo
Description
This command is used to adjust additional muting gain applied in DES during far-end only. It
modify the DENS_gamma_e_high 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
AT+ CECH=? +CECH: (list of supported <value>s)
AT+ CECH? +CECH: <value>
OK
Write Command Responses
AT+ CECH=<value>