SimCom SIM7500 Series User Manual

Smart Machine Smart Decision
SIM7500_SIM7600 Series_AT Command Manual_V1.07 2017-12-25
152
OK
Read Command Responses
AT+ CECM? +CECM: <value>
OK
Write Command Responses
AT+ CECM=<value>
OK
ERROR
Defined values
<value>
This default value is not a fixed value. It varies with different versions.
0: disable EC mode
1: EC mode recommended for Handset
2: EC mode recommended for Headset
3: EC mode recommended for HANDSFREE
4: EC mode recommended for Bluetooth (least aggressive)
5: EC mode recommended for Bluetooth (less aggressive)
6: EC mode recommended for Bluetooth
7: EC mode recommended for Speaker least aggressive
8: EC mode recommended for Speaker phone medium
9: EC mode recommended for Speaker phone aggressive
Examples
AT+CECM=1
OK
AT+CECM?
+CECM: 1
OK
6.44 AT+CPCMFRM Set usb audio sample rate to 16k bit
Description
This command is used to set usb audio sample rate to 16K bit.
NOTE: This command only support for usb audio 8k to 16k switching, but not support for 16k to
8k switching.
IM PIN References
NO
Vendor
Syntax
SIMCOM CONFIDENTIAL FILE

SimCom SIM7500 Series Specifications

General

Brand	SimCom
Model	SIM7500 Series
Category	Control Unit
Language	English