Owner's manual

Easy GPRS User Guide

80000ST10028 Rev. 4 - 16/07/08

3.3 Examples

3.3.1 Easy GSM - HTTP client application

Let’s suppose we want to connect our embedded device to an HTTP server and retrieve an HTML

page using the EASY GSM feature. This example is analogue to the one given for GPRS carrier.

Suppose to use a sim TIM.

Initial data:

Server to be contacted www.telit.com

Application Layer Protocol HTTP1.0 (RFC1945);

HTTP1.1 (RFC2068)

Page to be retrieved homepage of server

GPRS settings

Provider number “3359009000“

IP of the device dynamically assigned by

the network

DNS assigned by the network

USERID

Userid of the TIM account

PASSWORD

Password of the TIM

account

Socket parameters

Connection Identifier 0

Packet size (used by

TCP/UDP/IP stack for data

sending)

300

Socket inactivity timeout 90

Connection timeout 600

Data sending time out 50

Our HTTP server will be waiting for incoming connections on port 80 and we will fix the port to be

contacted on the remote server exactly to 80.

As transport protocol we choose TCP.

With our microcontroller we issue to the Telit module the following AT commands:

AT#GSMCONT = 0,"IP","3359009000"<cr> (GSM context setting)

For the all socket settings, the following AT command will be used:

AT#SCFG=1,0,300,90,600,50