Manual
     Smart Machine Smart Decision 
SIM800 Series_AT Command Manual_V1.09  219  2015-08-03 
0 Packet Domain 
1 Circuit switched 
2  Packet Domain preferred (use circuit switched if 
GPRS not available) 
3 Circuit switched preferred (use Packet Domain if circuit 
switched not available) 
Parameter Saving 
Mode 
AUTO_SAVE 
Max Response 
Time 
- 
Reference 
Note 










