Specifications

Smart Machine Smart Decision
SIM900_AT Commands Manual_V1.07 112 2012.12.10
TA-TE link specific inband technique used to embed
result codes and data when TA is in on-line data mode.
<mt> (the rules for storing received SMs depend on its data coding
scheme (refer GSM 03.38 [2]), preferred memory storage
(+CPMS) setting and this value):
0 No SMS-DELIVER indications are routed to the TE.
1 If SMS-DELIVER is stored into ME/TA, indication of
the memory location is routed to the TE using
unsolicited result code: +CMTI: <mem>,<index>
2 SMS-DELIVERs (except class 2) are routed directly to
the TE using unsolicited result code: +CMT:
[<alpha>],<length><CR><LF><pdu> (PDU mode
enabled) or +CMT: <oa>, [<alpha>],<scts>
[,<tooa>,<fo>,<pid>,<dcs>,<sca>,<tosca>,<length
>]<CR><LF><data> (text mode enabled; about
parameters in italics, refer Command Show Text Mode
Parameters +CSDH). Class 2 messages result in
indication as defined in <mt>=1.
3 Class 3 SMS-DELIVERs are routed directly to TE
using unsolicited result codes defined in <mt>=2.
Messages of other classes result in indication as
defined in <mt>=1.
<bm> (the rules for storing received CBMs depend on its data
coding scheme (refer GSM 03.38 [2]), the setting of
Select CBM Types (+CSCB) and this value):
0 No CBM indications are routed to the TE.
2 New CBMs are routed directly to the TE using
unsolicited result code: +CBM:
<length><CR><LF><pdu> (PDU mode enabled) or
+CBM:
<sn>,<mid>,<dcs>,<page>,<pages><CR><LF><data>
(text mode enabled).
<ds> 0 No SMS-STATUS-REPORTs are routed to the TE.
1 SMS-STATUS-REPORTs are routed to the TE using
unsolicited result code: +CDS:
<length><CR><LF><pdu> (PDU mode enabled) or
+CDS: <fo>,<mr>[,<ra>][,<tora>],<scts>,<dt>,<st>
(text mode enabled)
<bfr> 0 TA buffer of unsolicited result codes defined within
this Command is flushed to the TE when <mode> 1...3
is entered (OK response shall be given before flushing
the codes).
1 TA buffer of unsolicited result codes defined within
this command is cleared when <mode> 1…3 is entered