Manual
     Smart Machine Smart Decision 
SIM800 Series_AT Command Manual_V1.09  60  2015-08-03 
+CME ERROR: <err> 
Parameters 
<mode> 0 Query CCM value 
 1 Deactivate the unsolicited reporting of CCM value 
  2 Activate the unsolicited reporting of CCM value 
<ccm>  String type (string should be included in quotation marks); 
three bytes of the current CCM value in hex-decimal format (e.g. 
"00001E" indicates decimal value 30); bytes are similarly coded as 
ACMmax value in the SIM 000000-FFFFFF 
Execution 
Command 
AT+CAOC 
Response 
+CAOC: <ccm> 
OK 
Parameter Saving 
Mode 
NO_SAVE 
Max Response 
Time 
- 
Reference 
3GPP TS 27.007 
[13] 
Note 
3.2.4 AT+CBST Select Bearer Service Type 
AT+CBST Select Bearer Service Type 
Response 
+CBST: (list of supported <speed>s),(list of supported <name>s),(list of 
supported <ce>s) 
OK 
Test Command 
AT+CBST=? 
Parameters 
See Write Command 
Response 
+CBST: <speed>,<name>,<ce> 
OK 
Read Command 
AT+CBST? 
Parameters 
See Write Command 
Response 
TA selects the bearer service <name> with data rate <speed>, and the 
connection element <ce> to be used when data calls are originated. 
OK 
ERROR 
Write Command 
AT+CBST=<spee
d>[,<name>[,<ce
>]] 
Parameters 










