User's Manual

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b y t he fo llo w e d AT co m ma n d s: AT + C M G L , AT + C M G R a nd AT + C M G D ;
<mem2>: The parameter set here means memory storage used as writing and send message function. It can be operated
by the followed AT commands: AT+CMSS and AT+CMGW;
<mem3>: Received messages will be storage in this memory if routing to PC is not set;
Response:
If no error:
+CPMS:<used1>,<total1>,<used2>,<total2>,<used3>,<total3>
OK
<used1, 2, 3> Number of messages currently storage in <mem1, 2, 3>
<total1, 2, 3> Number of message capacity of <mem1, 2, 3>
If error:
+CMS ERROR:<err>
The command AT+CPMS? is used to display the remained capacity of memory.
AT+ C PM S?
Response:
If no error:
+CPMS:<mem1>,<used1>,<total1>,<mem2>,<used2>,<total2>,<mem3>,<used3>,<total3> OK
If error:
+CMS ERROR
4.2.3 PDU Format
Sending:
The type “S” means the AT Command sent to U6300, and the type “R” means Respond from U6300.
SN. T ype AT Command/Respond Explain
1
S AT+CSCS=" UCS2" Select TE character set
2
R OK
3
S AT+CMGF=0 Select message PDU format
4
R OK
5
S AT+CMGS=26 Send message