Hi Sasko,
As a first advise, I would sugest you to try Kannel 1.4.0.
Second, try to telnet the server manually. If you get a prompt, then the TCP connection is fine.
telnet 172.20.3.105 3704
If you dont, check your routes, firewall rules, etc. which may be preventing the connection.
Best Regards, Rodrigo.
----- Original Message ----- From: "Sasko Celakovski" <[EMAIL PROTECTED]>
To: <[email protected]>
Sent: Thursday, May 19, 2005 6:34 AM
Subject: connection problem
Hi, I have a problem using Kannel 1.3.1 connected on SMSC as transmiter and receiver (on the same SMPP address and port). Sometimes the TX channel stacks (the connection for sending messages from Kannel to the SMSC that is the RX connection on the SMSC) while the other channel works fine. I'm receiving messages from the SMSC but can not send any messages. The bearerbox reports the problem and enters the reconnection sequence while the SMSC does not reports anything in the debugs. These are the messages that I receive in the bearerbox.log:
2005-05-17 00:42:53 [7] ERROR: SMPP[smsc1a]: I/O error or other error. Re-connecting. 2005-05-17 00:42:53 [6] ERROR: SMPP[smsc1a]: I/O error or other error. Re-connecting. 2005-05-17 00:42:53 [7] ERROR: connect failed 2005-05-17 00:42:53 [7] ERROR: System error 111: Connection refused 2005-05-17 00:42:53 [7] ERROR: error connecting to server `172.20.3.105' at port `3704' 2005-05-17 00:42:53 [6] ERROR: connect failed 2005-05-17 00:42:53 [6] ERROR: System error 111: Connection refused 2005-05-17 00:42:53 [7] ERROR: SMPP[smsc1a]: Couldn't connect to server. 2005-05-17 00:42:53 [6] ERROR: error connecting to server `172.20.3.105' at port `3704' 2005-05-17 00:42:53 [7] ERROR: SMPP[smsc1a]: Couldn't connect to SMS center (retrying in 30 seconds). 2005-05-17 00:42:53 [6] ERROR: SMPP[smsc1a]: Couldn't connect to server. 2005-05-17 00:42:53 [6] ERROR: SMPP[smsc1a]: Couldn't connect to SMS center (retrying in 30 seconds).
Please let me know if anyone had the same experience or any ideas how can I solve the problem...
Kind Regards, Sasko
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