Quectel BG95 Series - Close a Connection; TCP Client Works in Buffer Access Mode under Ipv6; Set up a TCP Client Connection and Enter Buffer Access Mode; Send Data in Buffer Access Mode

LPWA Module Series
BG95&BG77&BG600L Series TCP/IP Application Note
BG95&BG77&BG600L_Series_TCP/IP_Application_Note 41 / 56
3.2.4. Close a Connection
3.3. TCP Client Works in Buffer Access Mode under IPv6
3.3.1. Set up a TCP Client Connection and Enter Buffer Access Mode
3.3.2. Send Data in Buffer Access Mode
test1
OK
AT+QIRD=0,1500
+QIRD: 0 //No data in buffer.
OK
AT+QIRD=0,0 //Query the total length of received data, including read and unread data.
+QIRD: 5,5,0
OK
AT+QICLOSE=0 //Close a connection whose <connectID> is 0. Depending on the
network, the maximum response time is 10s.
OK
//Context is 1 and <connectID> is 0. Before using AT+QIOPEN, the host should activate the context
with AT+QIACT first.
AT+QIOPEN=1,0,"TCP","2001:468:2100:1:0:0:0:0",5001,0,0
OK
+QIOPEN: 0,0 //TCP client is connected successfully. It is suggested to wait for 150 seconds for
the URC +QIOPEN: <connectID>,<result>. If the URC cannot be received in
150 seconds, the host can use AT+QICLOSE to close the socket.
AT+QISTATE=1,0 //Query the connection status of socket service 1.
+QISTATE: 0,"TCP","2001:468:2100:1:0:0:0:0",5001,11921,2,1,0,0,"usbmodem"
OK
AT+QISEND=0 //Send variable-length data.
>test1<Ctrl+Z>
SEND OK //SEND OK does not mean the data has been sent to the server