this SIM5218 AT command manual - Cooking Hacks

SIM5218 Serial AT Command Set
OK
28.2 TCP/IP commands
28.2.1 TCP server
Commands and Responses
AT+NETOPEN=”TCP”,80
Network opened
OK
AT+SERVERSTART
OK
AT+LISTCLIENT
NO.0 client : 10.71.34.32 80
NO.1 client : 10.71.78.89 1020
OK
AT+ACTCLIENT = 0
OK
AT+TCPWRITE=8
>ABCDEFGH
+TCPWRITE: 8, 8
OK
Comments
Activate the specified socket’s PDP context
and Create a socket.
For Tcp Server,it starts a
Passive open for connections.
List all of clients’ information.
Activate the specified client.
Send data to an active client.
Send ok
AT+CLOSECLIENT=0
OK
AT+NETCLOSE
Network closed
OK
Close the specified client.
Close all of clients and
Deactivate the specified socket’s PDP context.
28.2.2 TCP client
Commands and Responses
AT+NETOPEN=”TCP”,80
Network opened
OK
AT+TCPCONNECT=”192.168.0.1”,80
Comments
Activate the specified socket’s PDP context
and Create a socket.
Attempt to establish the TCP connection
SIM5218_Serial _ATC_V1.36 508
5/15/2012