Multi-Tech Systems MTSGSM User Manual
Page 37

Chapter 5 - AT Commands, S-Registers, and Error Codes
MTSGSM
37
Defined values Meaning
Location value of message to be read
+CMGL
List messages
Syntax
AT+CMGL[=
The response is +CMGL:
AT+CMGL=? for a list of supported
The response is +CMGL: (list of supported
Error codes is returned as +CMS ERROR:
Description
The AT+CMGL command list messages from the preferred message storage. Entire
data units (PDU) is returned.
Defined values Meaning
4
All messages
+CGSN
Request product serial number identification
Syntax
AT+CGSN used to get phone serial number info. The response is +CGSN:
Error codes is returned as +CME ERROR:
Description
The AT+CGSN command returns one ore more lines of information text determined
by the phone manufacturer intended to identify the individual phone..
Defined values Meaning
Information text determined by the phone manufacturer.
+CHUP
Hangup call
Syntax
AT+CHUP used hangup GSM call
Description
The AT+CHUP command causes hangup of the current GSM call.
+CMGR
Read message
Syntax
AT+CMGR=
The response is +CMGR:
Error codes is returned as +CMS ERROR:
Description
The AT+CMGR command reads a message with location value
preferred message storage
message data unit
Defined values Meaning
Location value of message to be read
+CMGS
Send message
Syntax
AT+CMGS=
Error codes is returned as +CMS ERROR:
Description
The AT+CMGS command sends a message to the network (SMS-SUBMIT).
Message reference value
delivery. The TA shall send a four character sequence <
CR>
the ending of PDU
Defined values Meaning
Must indicate the number of octets coded in the TP layer data unit to be given.