SIM5350 AT Command Set 
  "MT"        Any of storages associated with ME (SM first) 
<usedX> 
Integer type, number of messages currently in <memX>. 
<totalX> 
Integer type, total number of message locations in <memX>. 
Examples 
AT+CPMS=? 
+CPMS:("SM","ME","SM_P","ME_P","MT"),("SM","ME","SM_P","ME_P","MT"),("SM","ME","
SM_P","ME_P","MT") 
 
OK 
AT+CPMS? 
+CPMS:"ME", 0, 23,"ME", 0, 23,"ME", 0, 23 
 
OK 
7.4    AT+CMGF    Select SMS message format 
Description  
This command is used to specify the input and output format of the short messages. 
SIM PIN  References 
YES  3GPP TS 27.005 
Syntax 
Test Command  Responses 
+CMGF: (list of supported <mode>s) 
OK 
AT+CMGF=? 
ERROR 
Read Command  Responses 
+CMGF: <mode> 
OK 
AT+C MG F?  
ERROR 
Write Command  Responses 
OK AT+CMGF=<mode> 
ERROR 
Defined values 
SIM5350_ATC_V1.02    6/9/2014 
87