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GSM Module
AT+ZSETMUTE=1
OK
Mute on
AT+ZSETMUTE=0
OK
Mute off
Parameters
<Mode>
:
0: Turn off mute
1: Turn on mute.
2.1.17
+CIMI: International Mobile Identification
Description
This command is used to read the International Mobile Identification of
SIM card and check current PIN.
Format AT+CIMI
Example AT+CIMI
460030916875923
OK
Check CIMI
Return CIMI
2.1.18
+CGMR: get product version
Description
This command is used to obtain the module’s current product version.
Format AT+CGMR
AT+CGMR=?
OK
No meaning
Example
AT+CGMR
+CGMR: Revision: 1.0
OK
Return current module’s version
2.1.19
+ECHO: echo remove
Description
This command is used to remove the echo.
Format AT+ECHO=num
AT+ECHO?
+ECHO:1
OK
Check current echo settings
Example
AT+ECHO=0
OK
Cancel echo remove
Format
Num: default value 1.
1: set echo remove function
0: cancel echo remove function
2.1.20
+(C)GSN: get current IMEI
Description
This command is used to get the current device’s IMEI.
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