Manual

Smart Machine Smart Decision
SIM800 Series_AT Command Manual_V1.09 101 2015-08-03
AT+CFUN=1,1 can be used to reset module purposely at minimum/full
functionality mode.
Response string "OK" will be returned after module resets if baud rate is
set to fixed baud rate.
3.2.43 AT+CCLK Clock
AT+CCLK Clock
Test Command
AT+CCLK=?
Response
OK
Response
+CCLK: <time>
OK
If error is related to ME functionality:
+CME ERROR: <err>
Read Command
AT+CCLK?
Parameters
See Write Command
Response
OK
If error is related to ME functionality:
+CME ERROR: <err>
Write Command
AT+CCLK=<tim
e>
Parameters
<time> String type(string should be included in quotation marks)
value; format is "yy/MM/dd,hh:mm:ss±zz", where characters indicate
year (two last digits),month, day, hour, minutes, seconds and time zone
(indicates the difference, expressed in quarters of an hour, between the
local time and GMT; range -47...+48). E.g. 6th of May 2010, 00:01:52
GMT+2 hours equals to "10/05/06,00:01:52+08".
Parameter Saving
Mode
AUTO_SAVE
Max Response
Time
-
Reference
3GPP TS 27.007
[13]
Note
Only time zone is auto saved.
3.2.44 AT+CSIM Generic SIM Access
AT+CSIM Generic SIM Access
Test Command
AT+CSIM=?
Response
OK