Data Sheet

SIM900 AT Commands Set
SIM900R01_ATC_V1.00 102 15.01.2010
<index>,<stat>,<fo>,<mr>,[<ra>],[<tora>],<scts>,<dt>,<st>[...]]
for SMS-COMMANDs:
+CMGL: <index>,<stat>,<fo>,<ct>[<CR><LF>
+CMGL: <index>,<stat>,<fo>,<ct>[...]]
for CBM storage:
+CMGL:<index>,<stat>,<sn>,<mid>,<page>,<pages><CR><LF><data
>[<CR><LF>
+CMGL:
<index>,<stat>,<sn>,<mid>,<page>,<pages><CR><LF><data>[...]]
OK
2) If PDU mode (+CMGF=0) and Command successful:
+CMGL:<index>,<stat>,[<alpha>],<length><CR><LF><pdu><CR><L
F>
+CMGL: <index>,<stat>,[alpha],<length><CR><LF><pdu>[...]]
OK
3)If error is related to ME functionality:
+CMS ERROR: <err>
Parameters
<alpha> string type(string should be included in quotation marks)
alphanumeric representation of <da> or <oa>
corresponding to the entry found in MT phonebook;
implementation of this feature is manufacturer
specific; used character set should be the one selected
with Command Select TE Character Set +CSCS (see
definition of this Command in TS 07.07)
<da> GSM 03.40 TP-Destination-Address Address-Value field in
string format; BCD numbers (or GSM default alphabet
characters) are converted to characters of the currently
selected TE character set (refer Command+CSCS in
TS 07.07); type of address given by <toda>
<data> In the case of SMS: GSM 03.40 TP-User-Data in text mode
responses; format:
- if <dcs> indicates that GSM 03.38 default alphabet is used and
<fo> indicates that GSM 03.40
TPUser-Data-Header-Indication is not set:
- if TE character set other than "HEX" (refer Command Select
TE Character Set +CSCS in TS 07.07):ME/TA
converts GSM alphabet into current TE character set
according to rules of Annex A
- if TE character set is "HEX": ME/TA converts each 7-bit
character of GSM alphabet into two IRA character
long hexadecimal number (e.g. character P (GSM 23)