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Connect Sim900 to Port 1850 via TCP-IP

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nimaaa

nimaaa

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Hi All

I want to connect sim900 module to my webserver , but after using " AT + CIPSTART " AT command , I get this response from sim900 :

STATE : TCP CLOSED
CONNECTION FAIL

what I should do to solve this problem ??

I should mention that I have no problem in connecting to port 80 which belongs to GOOGLE

my port number is 8500


thank you
 

nimaaa said:
Hi All

I want to connect sim900 module to my webserver , but after using " AT + CIPSTART " AT command , I get this response from sim900 :

STATE : TCP CLOSED
CONNECTION FAIL

what I should do to solve this problem ??

I should mention that I have no problem in connecting to port 80 which belongs to GOOGLE

my port number is 8500


thank you
Click to expand...

Hi,

Maybe this thread will help you. Good luck. https://www.edaboard.com/threads/305187/
 
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    nimaaa

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