this SIM5218 AT command manual - Cooking Hacks

SIM5218 Serial AT Command Set
+IP ERROR:
ERROR
ERROR
Defined values
A string parameter that displays the cause of occurring error.
Examples
AT+TCPCLOSE
OK
19.37 Information elements related to TCP/IP
The following table lists information elements which may be returned.It should be noted that TCP/IP
socket problems may occur or result may be executed.
Information
Description
Network opened Indicate that the write command of
AT+NETOPEN has excuted successfully.
Network not opened
Indicate that you should execute AT+NE-
TOPEN first.
Network is already opened
Indicate that the write command of AT+N-
ETOPEN has already executed successfully.
Port overflow
Indicate that input port is out of range.
Create socket failed
Indicate that socket has not been created su
ccessfully.
Bind port failed
Indicate that input port is already in use.
Connect ok
Indicate that establishing a connection succe
ssfully.
Connection is already created
Indicate that a connection has been already
established.
Connect fail
Indicate that establishing a connection unsuccessfully
No clients connected
Indicate that module as TCP server has no any
connection.
No active client
Indicate that you should execute AT+ACTC-
LIENT first and select a connection.
SIM5218_Serial _ATC_V1.36 396
5/15/2012