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 Post subject: 3G shield - no TCP connection possible
PostPosted: Mon Dec 02, 2013 8:52 am 

Joined: Mon Dec 02, 2013 8:30 am
Posts: 2
Hi,

i am trying to establish a TCP connection to my testserver on port 2000.
Code:
START

+STIN: 25

+CPIN: READY

+STIN: 25

SMS DONE

PB DONE
AT+CGDCONT=1,"IP","internet.t-mobile"
OK
AT+CGSOCKCONT=1,"IP","internet.t-mobile"
OK
AT+CGAUTH=1,1,"tm","t-mobile"
OK
AT+CGACT=1,1
OK
AT+CGPADDR
+CGPADDR: 1,"10.211.227.145"

OK

AT+CGACT=0,1
OK
AT+NETOPEN="TCP",2000
Network opened

OK
AT+CIPOPEN=0,"TCP","testserver.mydomain.de",2000
+IP ERROR: Operation not supported

ERROR


As you see, i can get an IP address, but i allways get ERROR when i want to connect to any Server.
I checked my SIM Card with a Handy and it works. It is a german T-Mobile Card.

I also tried to send an email by using AT+SMTPxxxx commands which also got ERROR.

Any suggestion?

Sincerely
MiniMikro


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 Post subject: Re: 3G shield - no TCP connection possible
PostPosted: Mon Dec 02, 2013 8:57 am 

Joined: Mon Sep 28, 2009 12:06 pm
Posts: 11366
Hi MiniMikro,

Can you put the numeric IP here?

AT+CIPOPEN=0,"TCP","testserver.mydomain.de",2000

Instead "testserver.mydomain.de"

Regards.


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 Post subject: Re: 3G shield - no TCP connection possible
PostPosted: Mon Dec 02, 2013 9:43 am 

Joined: Mon Dec 02, 2013 8:30 am
Posts: 2
Hi,

Code:
AT+CIPOPEN=0,"TCP","141.60.162.121",2000
+IP ERROR: Operation not supported

ERROR


Does not help :-(


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 Post subject: Re: 3G shield - no TCP connection possible
PostPosted: Tue Dec 03, 2013 1:57 pm 

Joined: Mon Sep 28, 2009 12:06 pm
Posts: 11366
Hi MiniMikro,

This instruction AT+NETOPEN="TCP",2000 must be AT+NETOPEN=,,1

Try it.

Regards.


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