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Connect Sim900 to Port 1850 via TCP-IP

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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
 

deepsetan

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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
Hi,

Maybe this thread will help you. Good luck. https://www.edaboard.com/thread305187.html
 
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    nimaaa

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