Manual
     Smart Machine Smart Decision 
SIM800 Series_AT Command Manual_V1.09  357  2015-08-03 
current phonebook 
using a text search. 
el"   
OK 
Delete an entry from 
the current phonebook 
specified by its position 
index. 
AT+CPBW=2 
AT+CPBR=1,10 
OK 
[a listing of phonebook contents] 
OK 
Switch on engineering 
mode 
AT+CENG =1,1 
AT+CENG? 
OK 
+CENG: 1,1 
+CENG: 
0,"0081,55,00,460,00,31,f9a1,08,05,1816,255" 
+CENG: 1,"0014,40,15,f2a1,460,00,1816" 
+CENG: 2,"0012,27,48,f411,460,00,1816" 
+CENG: 3,"0565,23,55,f1a1,460,00,1816" 
+CENG: 4,"0584,19,24,f1a3,460,00,1816" 
+CENG: 5,"0027,17,13,f412,460,00,1816" 
+CENG: 6,"0028,15,14,6253,460,00,1823" 
OK 
Switch on engineering 
mode, and activate the   
URC report of network 
information 
AT+CENG =2,1 
AT+CENG? 
OK 
+CENG: 2,1 
+CENG: 
0,"0081,55,00,460,00,31,f9a1,08,05,1816,255" 
+CENG: 1,"0014,42,15,f2a1,460,00,1816" 
+CENG: 2,"0012,25,48,f411,460,00,1816" 
+CENG: 3,"0565,21,55,f1a1,460,00,1816" 
+CENG: 4,"0584,19,24,f1a3,460,00,1816" 
+CENG: 5,"0027,17,13,f412,460,00,1816" 
+CENG: 6,"0028,17,14,6253,460,00,1823" 
OK 
Switch on engineering 
mode, and with limited 
network information 
AT+CENG =3,1 
AT+CENG? 
OK 
+CENG: 3,1 
+CENG: 0,"460,00,1816,f9a1,31,56" 
+CENG: 1,"460,00,1816,f2a1,15,38" 
+CENG: 2,"460,00,1816,f411,48,26" 
+CENG: 3,"460,00,1816,f1a3,24,17" 
+CENG: 4,"460,00,1816,f412,13,16" 
+CENG: 5,"460,00,1823,6253,14,16" 
+CENG: 6,"460,00,1816,f2c3,43,14" 










