SMPP user is unable to bind, what could be the issue?

In such scenario, below points to be verified by admin from SMPP user. Confirm if Client is able to telnet SMPP Server and Port. Confirm if Client is blacklisted on network level. What error code is received on Bind response on Live PDU capture. Once the admin is available with the above details, feel free […]

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What is Time_wait in TCP Connections?

It’s the final state that the peer that initiates the “active close” ends up in and this can be either the client or the server. its a state that some sockets can enter and remain in for a relatively long length of time, if you have enough sockets in TIME_WAIT then your ability to create […]

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Why ESME Blacklist Rule is required?

At times a rouge ESME User can hamper the performance of your iTextPRO SMPP server, It may be due to misconfiguration or faulty implementation/software at your partner’s end. To protect and avoid causing any further damage to your server performance, you can define a rule to permanently drop any request for any rouge ESME client.

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