Specifications
SIM900 AT Command Manual       
SIM900_AT Command Manual_V1.03  80  12/24/2010 
1 fax class 1 (TIA-578-A) 
Reference 
GSM 07.07 [13] 
Note 
3.2.37 AT+FMI FAX: Report Manufactured ID 
AT+FMI FAX: Report Manufactured ID 
Test Command 
AT+FMI =? 
Response 
OK 
Response 
TA reports one or more lines of information text which permit the user to 
identify the manufacturer. 
<manufacturer Id> 
OK 
Execution 
Command 
AT+FMI 
Parameter 
<manufacturer Id> the ID of manufacturer 
Reference 
EIA/TIA-578-D 
Note 
3.2.38 AT+FMM FAX: Report Model ID 
AT+FMM FAX: Report Model ID 
Test Command 
AT+FMM =? 
Response 
OK 
Response 
TA reports one or more lines of information text which permit the user to 
identify the specific model of device. 
<model Id> 
OK 
Execution 
Command 
AT+FMM 
Parameter 
<model Id> the ID of model 
Reference 
EIA/TIA-578-D 
Note 
3.2.39 AT+FMR FAX: Report Revision ID 
AT+FMR FAX: Report Revision ID 
Test Command 
AT+FMR =? 
Response 
OK 










