SimCom SIM800 Series Application Manual page 11

8. AT Channel Mode between two
AT+BTSTATUS?
+BTSTATUS: 5
P: 1,"SIM800H_ZHANGPING",2d:bf:00:a9:62:60
OK
AT+BTGETPROF=1
+BTGETPROF: 10,"PBAP"
+BTGETPROF: 1,"A2DP(Source)"
+BTGETPROF: 2,"HFP(AG)"
+BTGETPROF: 8,"AVRCP(Target)"
+BTGETPROF: 3,"A2DP"
+BTGETPROF: 4,"SPP"
+BTGETPROF: 6,"HFP"
OK
AT+BTCONNECT=1,4
OK
+BTCONNECT: 1,"SIM800H_ZHANGPIN",2d:bf:00:a9:62:60,"SPP"
+BTSPPDATA: 1,2,
+BTSPPDATA: 1,57,+BTCONNECT:
1,"SIM800H_Yanfeng",30:5a:72:1f:62:60,"SPP"
AT+BTSTATUS?
+BTSTATUS: 5
P: 1,"SIM800H_ZHANGPING",2d:bf:00:a9:62:60
C: 1,"SIM800H_ZHANGPING",2d:bf:00:a9:62:60,"SPP"
OK
SIM800(H)_SPP
AT+BTSPPGET=0
OK
AT+BTSPPSEND
> AT+CREG?
SEND OK
+BTSPPDATA: 1,1,A
+BTSPPDATA: 1,3,T+C
+BTSPPDATA: 1,25,REG?
+CREG: 0,0
OK
Note:
If the first data packet sent from BT client is
not "SIMCOMSPPFORAPP", the SPP
connection is called "AT Channel
In this mode, the BT Client can send AT
command to BT Server for control purpose;
but BT client can't send any invalid AT
command/data to BT Server, otherwise there
will be no any response from BT Server.
Meanwhile, the BT Server can't send any data
or AT command to BT Client.
Mode".
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