Quectel BG95 Series - Close a TCP Server; TCP Server Works in Buffer Access Mode under Ipv6 Network; Start a TCP Server; Accept TCP Incoming Connection

LPWA Module Series
BG95&BG77&BG600L Series TCP/IP Application Note
BG95&BG77&BG600L_Series_TCP/IP_Application_Note 46 / 56
3.6.4. Close a TCP Server
3.7. TCP Server Works in Buffer Access Mode under IPv6 Network
3.7.1. Start a TCP Server
3.7.2. Accept TCP Incoming Connection
3.7.3. Retrieve Data from Incoming Connection
AT+QICLOSE=11 //Close the incoming connection. Depending on the network,
the maximum response time is 10 seconds.
OK
AT+QICLOSE=1 //Close TCP server listening.
OK
//Context is 1 and <connectID> is 1. Before using AT+QIOPEN, the host should activate the context
with AT+QIACT first.
AT+QIOPEN=1,1,"TCP LISTENER","0:0:0:0:0:0:0:1",0,12345,0
OK
+QIOPEN: 1,0 //TCP server is opened successfully.
AT+QISTATE=0,1 //Query the connection status of context 1.
+QISTATE: 1,"TCP LISTENER","2001:468:2100:1:2001:468:2100:1",0,12345,3,1,1,0,"usbmodem"
OK
+QIURC: "incoming",11,1,"2001:468:2100:1:0:0:0:0",54091 //A new TCP connection is accepted.
The <service_type> is "TCP incoming",
and <connectID> is 11.
+QIURC: "recv",11 //Received data from remote incoming connection.
AT+QIRD=11,1500 //Retrieve the data received from incoming connection.
+QIRD: 4 //Actually retrieved data length is 4 bytes.
test
OK
AT+QIRD=11,1500
+QIRD: 0 //No data in buffer.