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Chapter 5 - AT Commands, S-Registers, and Error Codes
MTSGSM
37
Defined values Meaning
<index> Location value of message to be read
+CMGL List messages
Syntax AT+CMGL[=<stat>| used to list messages
The response is +CMGL: <index>,<stat>,<length>,<CR><LF><pdu>
AT+CMGL=? for a list of supported <stat>.
The response is +CMGL: (list of supported <stat>)
Error codes is returned as +CMS ERROR: <err>:
Description The AT+CMGL command list messages from the preferred message storage. Entire
data units (PDU) is returned.
Defined values Meaning
<stat>
4 All messages
+CGSN Request product serial number identification
Syntax AT+CGSN used to get phone serial number info. The response is +CGSN: <sn> .
Error codes is returned as +CME ERROR: <err>:
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
<sn> 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=<index> used to read a message
The response is +CMGR: <stat>,<length><CR><LF><pdu>
Error codes is returned as +CMS ERROR: <err>:
Description The AT+CMGR command reads a message with location value <index> from
preferred message storage <mem1> to the TE. Status of the message and the entire
message data unit <pdu> is returned.
Defined values Meaning
<index> Location value of message to be read
+CMGS Send message
Syntax AT+CMGS=
<length><CR>PDU is given<ctrl-z>/ESC>
used to send messages
Error codes is returned as +CMS ERROR: <err>:
Description The AT+CMGS command sends a message to the network (SMS-SUBMIT).
Message reference value <mr> is returned to the TE on successful message
delivery. The TA shall send a four character sequence <
CR><LF><greater_than>
<space
> (in hex
0xd 0xa 0x3e 0x20
) after the command line is terminated with
<CR>; after that PDU can be given. <ctrl-z> (in hex 0x1a) must be used to indicate
the ending of PDU
Defined values Meaning
<length> Must indicate the number of octets coded in the TP layer data unit to be given.