Manual
     Smart Machine Smart Decision 
SIM800 Series_AT Command Manual_V1.09  370  2015-08-03 
  //report DTMF value 
and last time 
+DTMF:2,300 
+DTMF:3,200 
20.17 RECORD Commands 
Demonstration  Syntax  Expect Result 
Start record  AT+CREC=1,1,0 
//start record 
OK 
// the record id is 1, format is 
AMR 
Stop record  AT+CREC=2 
//stop record 
OK 
+CREC: 2,1,0,15,16386 
//URC will be reported after 
stopping, which indicate the 
format,including record id, 
time in seconds, length in 
bytes 
Delete record  AT+CREC=3,1 
//delete record with id 
1 
OK 
Play record file  AT+CREC=4,1,0,80 
//play record file, 
channel is 0, the 
volume is 80 
OK 
Stop play record file  AT+CREC=5 
//stop play record file 
+CREC: 0 
OK 
//URC is reported to show 
statues IDLE 
Get record status  AT+CREC? 
//get record status 
+CREC:2 
OK 
//Rrecording ,delete and 
other play operations are not 
allowed when playing 
List record file information  AT+CREC=7 
//list record file list 
+CREC: 7,1,7728,0 
+CREC: 7,2,53820,1 
OK 
// two record file, one Is 










