AT Commands Set

SIM5215_SIM5216 AT Command Manual
+CME ERROR:
Write Command
AT+UDPSEND=,<
IP_address>,
data for send
Responses
+UDPSEND: ,
OK
+IP ERROR:
ERROR
ERROR
Defined values
a numeric parameter which indicates the length of sending data, it must less than 1024
A string parameter that identifies the IP address of receiver.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 receiver, the range of permitted values is 0 to 65535.
a numeric parameter that requested number of data bytes to be transmitted.
a numeric parameter that confirmed number of data bytes to be transmitted.
-1 the connection is disconnected.
0 own send buffer or other side’s congestion window are full.
A string parameter that displays the cause of occurring error.
Examples
AT+UDPSEND=12,”192.168.0.1”,80
>ABCDEFGHIJKL
+UDPSEND: 12, 12
OK
18.9 AT+SERVERSTART Startup TCP server
Description
The command starts up TCP server, and the server can receive the request of TCP client. After the
command executes successfully, an unsolicited result code is returned when a client tries to connect
with module and module accepts request.The unsolicited result code is +CLIENT:
:.
SIM PIN References
SIM5215_SIM5216_AT Command Manual_V1.13 299
1/13/2011