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Hello, I recently bought any M2M SIM from "nextm2m.com" danmark, one is called by them "GLOBAL" because they work in all countries, and the other "EU Standard" for Europe (I live in Italy). Mounted on a common Samsung smartphone to test the operation, they work regularly. If I put in my project...
I've been following this tread with great interest, but unfortunately I was not able to give an answer to a question. Since in the system to upload to a server is to use the ftp protocol that here mè you can not use the fact that there is no manager to let through traffic on port 21. Using the...
The factory is now helping me to clarify the reasons why the application does not work on the SIM900, maybe the cause is a filter on the GSM network that does not allow ftp traffic. Also thanks to embRTS.
Regards to all, it is a lot of time that I try to find a solution to send module SIM900 on the internet, but the results are disappointing. Following the guide "SIM900_TCPIP_Application Note_V1.02", "SIM900 AT Commands Manual_V1.07", "SIM900_IP_Application Note_V1.04", and all the tutorials and...
This is my story....
from power off then on, RS232 19200 boud rate, Italy Wind operator
NORMAL POWER DOWN
AT+CREG?
+CREG: 0,1
OK
AT+CGATT?
+CGATT: 1
OK
AT+SAPBR=3,1,"CONTYPE","GPRS" //pag6 SIM900_IP_Application Note_V1.04
OK
AT+SAPBR=3,1,"APN","internet.wind"
OK
AT+SAPBR=1,1
OK...
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