SimCom SIM7500 Series

Smart Machine Smart Decision
SIM7500_SIM7600 Series_AT Command Manual_V1.07 2017-12-25
151
command only be used during call and don’t save the parameter after call.
SIM PIN References
NO Vendor
Syntax
Test Command Responses
AT+ CNLPPL=? +CNLPPL: (list of supported <value>s)
OK
Read Command Responses
AT+ CNLPPL? +CNLPPL: <value>
OK
Write Command
Responses
AT+ CNLPPL =<value> OK
ERROR
Defined values
<value>
Value from 0x0000-0x7fff, default value is not a fixed value. It varies with different versions.
Examples
AT+CNLPPL=0x1234
OK
AT+CNLPPL?
+CNLPPL: 0x7fff
OK
6.43 AT+CECM Adjust echo canceller
Description
This AT command is used to select the echo cancellation mode.
Write command only be used
during call.
SIM PIN References
NO Vendor
Syntax
Test Command Responses
AT+ CECM=? +CECM: (list of supported <value>s)
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