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) 

79 

 
Command Syntx: AT+WMCP=<mode>[,<loc>] Continued 

AT+CPMS=”ME” 
Note: Select ME for reading 

+CPMS: 2,99,2,99,4,10 
OK 

AT+CMGD=0,4 
 
Note: Erase all the SMS stored in the 
Flash 

OK 
 

AT+CPMS? 
 
Note: Read the SMS storage 

+CPMS: “ME”,0,99,”ME”,0,99,”SM”,4,10 
OK 
Note: No SMS is stored in the Flash 

AT+WMCP=0 
Note: Copy all the SMS from the SIM 
to  the Flash  

OK 

AT+CPMS? 
 
Note: Read the SMS storage 

+CPMS: “ME”,4,99,”ME”,4,99,”SM”,4,10 
OK 
Note: 4 SMS are stored in the Flash 

 

 

 

 

Description:  

This short message service-oriented AT command allows the link to be kept open while sending several 
short messages with only a short delay.

 

Values: 

Disable feature 

Keep link opened while messages are sent. If the delay between two messages exceeds 5 
seconds, the link is closed and the mode is reset to 0: the feaure is disabled. 

Keep link opened while messages are sent. If the delay between two messages exceeds 5 
seconds, the link is closed but the mode remains set to 2: the feaure is still enabled. 

Notes: 

• 

 Before sending the 

last SMS in the link, you must use the AT+CMSS=0 

command. This command will indicate that the FOLLOWING SMS will be the last one. 

• 

The delay of 5 seconds complies with Rec 3GPP 27.005...3.5.6 

AT+CMMS=<mode> 

AT+CMMS=0 
Note: Disable feature 

OK 
Note: Feature is disabled 

AT+CMMS=1 
Note: Enable feature 1 time 

OK 
Note: Feature is enabled; link is open 

AT+CMMS=2 
Note: Enable feature 

OK 
Note: Feature is enabled; link is open 

AT+CMMS? +CMMS: 

2 

OK 

AT+CMMS=? +CMMS: 

(0-2) 

OK