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I want to send some pictures for a sever with a GPRS Module. At first i had a sim900 module and I could send data with it with these AT commands:
at+cgatt=1;+cstt="myapn";+ciicr;
at+cipstart="tcp","ip","port"
As I said with these commands I could send some data to my test server. But it encountered some problems and i’ve changed it with a Siemens MC55 GPRS Modem. But I can’t run these commands any more for connecting to my server and i get ERROR.
How can I fix this problem?
AT data connection commands are inherently different from modem to modem. Do you have a copy of the user manual? The user manual is extremely good for the MC55i!
As a side note execute:
To improve the error reporting so that you get real error codes and not just ERROR