Data Sheet
     Smart Machine Smart Decision 
SIM800 Series_AT Command Manual_V1.09  124  2015-08-03 
3GPP TS 27.005 
4.2.8 AT+CNMI New SMS Message Indications 
AT+CNMI  New SMS Message Indications 
Response 
+CNMI: (list of supported <mode>s),(list of supported <mt>s),(list of 
supported <bm>s),(list of supported <ds>s),(list of supported <bfr>s) 
OK 
Test Command 
AT+CNMI=? 
Parameters 
See Write Command 
Response 
+CNMI: <mode>,<mt>,<bm>,<ds>,<bfr>  
OK 
Read Command 
AT+CNMI? 
Parameters 
See Write Command 
Response 
TA selects the procedure for how the receiving of new messages from the 
network is indicated to the TE when TE is active, e.g. DTR signal is ON. If 
TE is inactive (e.g. DTR signal is OFF), message receiving should be done 
as specified in GSM 03.38. 
OK 
ERROR 
Write Command 
AT+CNMI=<mo
de>[,<mt>[,<bm
>[,<ds>[,<bfr>]]]
] 
Parameters 
<mode>  0  Buffer unsolicited result codes in the TA. If TA result 
code buffer is full, indications can be buffered in some other place or the 
oldest indications may be discarded and replaced with the new received 
indications. 
  1  Discard indication and reject new received message 
unsolicited result codes when TA-TE link is reserved (e.g. in on-line data 
mode). Otherwise forward them directly to the TE. 
 2  Buffer unsolicited result codes in the TA when TA-TE 
link is reserved (e.g. in on-line data mode) and flush them to the TE after 
reservation. Otherwise forward them directly to the TE. 
  3  Forward unsolicited result codes directly to the TE. 
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. 










