Data Sheet
     Smart Machine Smart Decision 
SIM800 Series_AT Command Manual_V1.09  13  2015-08-03 
20.4 Call Control Commands.................................................................................359 
20.5 SIM Toolkit Commands .................................................................................361 
20.6 Audio Commands ...........................................................................................361 
20.7 SMS Commands.............................................................................................361 
20.8 GPRS Commands...........................................................................................362 
20.9 TCPIP Commands ..........................................................................................364 
20.10 IP Commands ...............................................................................................365 
20.11 PING Commands..........................................................................................365 
20.12 HTTP and FTP Commands ..........................................................................366 
20.13 GSM Location Commands ...........................................................................366 
20.14 EMAIL Commands ......................................................................................367 
20.15 MMS Commands .........................................................................................367 
20.16 DDET Commands ........................................................................................368 
20.17 RECORD Commands...................................................................................370 
20.18 TTS Commands............................................................................................371 
21 ATC Differences among SIM800 Series...........................................373 
21.1 AT+SIDET......................................................................................................373 
21.2 AT+CMIC.......................................................................................................373 
21.3 AT+CBAND ...................................................................................................374 
21.4 AT+CHFA.......................................................................................................374 
21.5 AT+SGPIO......................................................................................................375 
21.6 AT+SJDR........................................................................................................375 
21.7 AT+CREC.......................................................................................................376 
21.8 AT+CTTSPARAM .........................................................................................376 
21.9 AT+CADC ......................................................................................................376 
21.10 AT+CSCLK ..................................................................................................376 
21.11 AT+CMMSDOWN.......................................................................................377 
21.12 AT+CFGRI ...................................................................................................377 
21.13 Only Part of Projects Support Following AT Commands ............................378 










