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Hi
I already solved this issue.
The problem was in my NAT table in internet router. I simply forgot to translate the port 1100 to route to correct IP of the server running inside my local network.
Doing this, all worked fine.
In other words, the AT sequence that I posted previously is working...
Hi
I am testing SIMCOM 3G SIM5300E that replaced SIM900. There is an Espressif ESP32 communicating with SIM5300E. All communication is OK.
I need to transmit messages to my server using UDP protocol.
The AT sequence I am using follows:
AT+CFUN=4
ATZ
AT+CIPSHUT
AT+CIPMUX=0
AT+CIPMODE=0...
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