this SIM5218 AT command manual - Cooking Hacks

SIM5218 Serial AT Command Set
Connect fail
ERROR
ERROR
Defined values
A string parameter that identifies the IP address of TCP server.The IP address format consists of 4
octets,separated by decimal point:”AAA.BBB.CCC.DDD”.In the latest software version,it already
Supports DNS query,so it may be a string like “www.google.cn.”.
A numeric parameter that identifies the port of TCP server, the range of permitted values is 0 to
65535.
NOTE: When open port as TCP, the port must be the opened TCP port;
When open port as UDP, the port may be any port.
But, for Qualcomm, connecting the port 0 is as an invalid operation.
A string parameter that displays the cause of occurring error.
Examples
AT+TCPCONNECT=”192.168.0.1”,80
OK
AT+TCPCONNECT=”192.168.0.1”,80
Connect fail
ERROR
AT+TCPCONNECT=”www.google.cn”,80
OK
19.11 AT+TCPWRITE Send TCP data
Description
The command sends TCP data when the TCP connection is established.
SIM PIN
YES
References
Vendor
Syntax
Test Command
AT+TCPWRITE=
Responses
OK
ERROR
SIM5218_Serial _ATC_V1.36 368
5/15/2012