MTX -4G-JAVA-IoT Hardware User's Manual page 120

AT+CGSN Request International Mobile Equipment Identity (IMEI)
AT+CHLD Call Hold and Multiparty
AT+CHUP Hang up call
AT+CIMI Request International Mobile Subscriber Identity (IMSI)
AT+CLCC List of current calls
AT+CLCK Facility lock
AT+CLIP Calling Line Identification Presentation
AT+CLIR Calling Line Identification Restriction
AT+CMEE Error Message Format
AT+CMGC Send SMS Command
AT+CMGD Delete short message
AT+CMGF Select SMS message format
AT+CMGL List SMS messages from preferred store
AT+CMGR Read SMS messages
AT+CMGS Send SMS
AT+CMGW Write Short Messages to Memory
AT+CMMS More Messages to Send
AT+CMSS Send short messages from storage
AT+CMUT Mute control
AT+CMUX Multiplex mode
AT+CNAP Calling Name Presentation
AT+CNMA New Message Acknowledgement to ME/TE
MTX-Java-IoT | 2018/2
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