AT Commands Reference Manual - wireless netcontrol GmbH

Chapter 4: Using the Commands
When the module sends +MIPXOFF unsolicited indication, it rejects all data, received after that,
so the user should wait for +MIPXON indication in order to continue data sending.
Intermodule Communication Example
Following is an example of a basic TCP/IP communication between two H24 modules.
Module A - client
Module B - server
Network
TERMINAL
TERMINAL
serial
MODULE
MODULE
serial
Setup the PDP context
Setup the PDP context
AT+CGDCONT=1,"IP","apn","0.0.0.0",0,0
AT+CGDCONT=1,"IP","apn","0.0.0.0",0,0
OK
OK
Create MIP Call (activate PDP context)
Create MIP Call (activate PDP context)
AT+MIPCALL=1,1,1
AT+MIPCALL=1,1,1
OK
OK
+MIPCALL: 1,1,"172.16.157.52 "+MIPCALL: 1,1,"172.16.80.103"
Open TCP listen socket (firstly)
Open TCP active socket (secondly)
AT+MIPOPEN=1,1,1010,"0.0.0.0",0,0
AT+MIPOPEN=1,1,1020,"172.16.80.103",1010,0 OK
OK
+MIPOPEN: 1,1,1 +MIPOPEN: 1,1,1,"172.16.80.103",1020
Write data to the socket
AT+MIPSEND=1,"48656C6C6F"
OK
+MIPSEND: 1,0,1367
Send the socket data to remote side
AT+MIPPUSH=1
OK
+MIPPUSH: 1,0
Receive data from remote side
+MIPRTCP: 1,0,48656C6C6F
Close the socket
AT+MIPCLOSE=1
OK
+MIPCLOSE: 1,0 +MIPSTAT: 1,4
April 15, 2010 H24 - AT Commands Reference Manual 4-33