Multi-Tech Systems GPRS (MTMMC-G) 사용자 설명서

Chapter 9 – Short Messages Commands  

Multi-Tech Systems, Inc. Wireless GSM/GPRS AT Commands (Document Number S000293I) 

68 

 

Description: 

This command allows the application to read stored messages. The messages are read from the 
memory selected by the 

+CPMS command. 

syntax:    AT+CMGR=<index> 

For 

SMS-DELIVER only 

+CMGR: <stat>,<oa>,[<alpha>,] <scts> [,<tooa>,<fo>,<pid>,<dcs>,<sca>,<tosca>,<length>] 
<CR><LF> <data>  

For 

SMS-SUBMIT only 

+CMGR: <stat>,<da>,[<alpha>,] [,<toda>,<fo>,<pid>,<dcs>, [<vp>], <sca>, 
<tosca>,<length>]<CR><LF> <data>  

For 

SMS-STATUS-REPORT only) 

+CMGR:   <stat>,<fo>,<mr>,[<ra>],[<tora>],<scts>,<dt>,<st>  

+CMGR: <stat>, [<alpha>] ,<length> <CR><LF> <pdu>  

 

A message read with status “REC UNREAD” will be updated in memory with the status “REC READ”. 

 

The <stat> parameter for the SMS Status Reports is always “READ”. 

Syntax: AT+CMGR=<index> 

 
 

AT+CMTI: “SM”,1 
Note: New message received 

AT+CMGR=1 
Note: Read the message 

+CMGR: “REC UNREAD”,”0146290800”, 
”98/10/01,18:22:11+00”,<CR><LF> 
ABCdefGHI 
OK 

AT+CMGR=1 
Note: Read the message again 

+CMGR: “REC UNREAD”,”0146290800”, 
”98/10/01,18:22:11+00”,<CR><LF> 
ABCdefGHI 
OK 
Note: Message is read now 

AT+CMGR=2 
 

OK 
Note: Location empty 

AT+CMGF=0 ;+CMGR=1 
 
Note: In PDU mode 

+CMGR: 2,,<length> <CR><LF><pdu> 
OK 
Note: Message is stored but unsent, no <alpha>field 

AT+CMGF=1;+CPMS=”SR”;+CNMI=,,,2 
Reset to text mode, set read memory to 
“SR”, and allow storage of further SMS 
Status Report into “SR” memory 

OK 

AT+CMSS=3 
Send an SMS previously stored 

+CMSS: 160 
OK 

 +CDSI: 

“SR”,1 

New SMS Status Report stored in “SR” memory at 
index 1 

AT+CMGR=1 
Read the SMS Status Report 

+CMGR: "REC UNREAD",6,160, "+33612345678",129, 
"01/05/31,15:15:09+00",  
"01/05/31,15:15:09+00",0 
OK