Information Elements Related To Tcp/Ip; Unsolicited Tcp/Ip Command <Err> Codes - SimCom SIM7500 Series At Command Manual

OK
AT+CIPSTAT=?
+CIPSTAT: (0-9)
OK

Information elements related to TCP/IP

15.2.18
The following table lists information elements which may be reported.
Information
+CIPEVENT:
UNEXPECTEDLY
+IPCLOSE: <client_index>,
+CLIENT:
link_num >,<server_index>,<client_IP>:<port>
Unsolicited TCP/IP command <err> Codes
15.2.19
0
1
2
3
4
5
6
7
8
9
SIM7500_SIM7600 Series_AT Command Manual_V1.07
NETWORK CLOSED
<close_reason>
operation succeeded
Network failure
Network not opened
Wrong parameter
Operation not supported
Failed to create socket
Failed to bind socket
TCP server is already listening
Busy
Sockets opened
Smart Machine Smart Decision
Description
Network is closed for network error(Out
of service, etc). When this event happens,
user's application needs to check and
close all opened sockets, and then uses
AT+NETCLOSE to release the network
library if AT+NETOPEN? shows the
network library is still opened.
Socket is closed passively.
<client_index> is the link number.
<close_reason>:
0 - Closed by local, active
1 - Closed by remote, passive
2 - Closed for sending timeout
< TCP server accepted a new socket client,
the index is <link_num>, the TCP server
index is <server_index>. The peer IP
address is <client_IP>, the peer port is
<port>.
307 2017-12-25