Data Sheet
     Smart Machine Smart Decision 
SIM800 Series_AT Command Manual_V1.09  73  2015-08-03 
[,<number>,<type>,<alphaID>][...]]] 
OK 
If error is related to ME functionality: 
+CME ERROR: <err> 
Parameters 
<idx> 1..7 Call identification number 
This number can be used in +CHLD command operations
<dir>  0 Mobile originated (MO) call 
  1 Mobile terminated (MT) call 
<stat>  State of the call: 
 0  Active 
 1  Held 
  2 Dialing (MO call) 
  3 Alerting (MO call) 
 4  Incoming (MT call) 
  5 Waiting (MT call) 
 6  Disconnect 
<mode> Bearer/tele service: 
 0  Voice 
 1  Data 
 2  Fax  
<mpty>  0 Call is not one of multiparty (conference) call parties 
  1 Call is one of multiparty (conference) call parties 
<number> String type (string should be included in quotation marks) 
phone number in format specified by <type>. 
<type> Type of address 
<alphaId> String type (string should be included in quotation marks) 
alphanumeric representation of <number> corresponding to the entry 
found in phone book. 
Parameter Saving 
Mode 
AUTO_SAVE 
Max Response 
Time 
- 
Reference 
3GPP TS 27.007 
[13][14] 
Note 
3.2.17 AT+CLCK Facility Lock 
AT+CLCK Facility Lock 
Test Command 
AT+CLCK=? 
Response 
+CLCK: (list of supported <fac>s) 










