Hi EGK:
go to website http://www.tcpipchip.com
you will got a solution
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Question
how to send data using GPRS
hi,
I want to send data using Gprs,ofcourse with AT commands.
AT commands;
AT+CGDCONT=1,"IP","uni.tim
AT+CGQREQ=1,1,0,0,0,31
ATD*99***1#<cr>
Now are the codes enough for sending data?
Gprs will receive data from microcontroller,and will send the data to another device,
will data that come from gprs,have any specil mode;I mean:does Gprs remain any special data format???
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Answers
Hi all,
For an project we are using Siemens TC35 Module which is integrated with an device(built specifically for our project by our clients). The TC35 Module is connected with the device through the serial port.
Now when i load the SIM Tray with the SIM card & switch on the device(integrated & interfaced internally with TC35), & send an command "AT", It gives the response "OK", But now I make an call to an the SIM card number from my personal mobile. My Mobile says that the "Number you are Trying is Switched OFF". Iam very much Confused wether the device is witched on or off. Can you help me what I have to do. Also when I tried with "COPN", "CGMR", "CREG", "COPS"commands, I get the "ERROR" messages. So Kindly help me.
Also if any one can send me an sample source code to GSM communication for Dialing up an ISP connection & connecting to an Server, It would be greatly helpful to me.
Iam in very urgent position.
Waiting for your reply.
Regards,
Somasundaram.J
somu@softcrylic.com
I am using a GPRS modem and I am nowhere near where i want to be but when you get connect I think you need to use PUT and GET commands ( you will need to research these)
To connect to a static site is not so straight forward with GPRS, security is an issue, but apart from that the dynamically assigned address means you don't know until you start to connect what your address is?
AT+CGPADDR=n (where n is an instance) , call it qqq.qqq.qqq.qqq here will tell you
AT+Cgatt will tell you if you are connected
I am using a modem with a TCP/IP stack embedded using easy gprs which has some pretty useful ready made commands to help with setup
After connect you can use this address
with the GET command
GET /nic/update?system=xxxxxx&
as of yet I have not connected but I know it somewhere here
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by: ellanglePosted on 2003-07-07 at 06:54:06ID: 8869394
hi EGK
i saw your code, i think it is far from sending data to GPRS.
one problem i think is the AT+CGDCONT=1,"IP","uni.tim
another one is the data format has to be point to point (PPP) protocol, if you want to access internet, you can set up the MT as a GPRS modem. there are a lot of information about it from the internet.
good luck!