Specifications
SIM900 AT Command Manual       
SIM900_AT Command Manual_V1.03  125  12/24/2010 
6.2.6 AT+CALD Delete Alarm 
AT+CALD Delete Alarm 
Response: 
+CALD: (list of supported <n>s) 
OK 
Test Command 
AT+CALD=? 
Parameter 
See Write Command 
Response 
OK 
If error is related to ME functionality: 
+CME ERROR: <err> 
Write Command 
AT+CALD=<n> 
Parameter 
<n> integer type value indicating the index of the alarm; default 
is manufacturer specific (range 1 to 5 now). 
Reference  Note 
6.2.7 AT+CADC Read ADC 
AT+CADC Read ADC 
Response: 
+CADC: (list of supported <status>s),(list of supported <value>s) 
OK 
Test Command 
AT+CADC=? 
Parameters 
<status> 1 success 
  0 fail 
<value> integer 0-2800 
Response: 
+CADC: <status>,<value> 
OK 
Read Command 
AT+CADC? 
Parameters 
See Test Command 
Reference  Note 
6.2.8 AT+CSNS Single Numbering Scheme 
AT+CSNS Single Numbering Scheme 
Test Command 
AT+CSNS =? 
Response 
+CSNS: (list of supported <mode>s) 










