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If the modem responds to AT commands from a PuTTY connection then Diafaan SMS Server should be able to use the modem with the same COM settings.

Can you explain in more detail what you mean with 'does not work'? Do you get any error messages from Diafaan SMS Server? Do you see anything in the logs after using the 'Search' or 'Test' buttons when you add a new GSM Modem Gateway in Diafaan SMS Server?

Regards, Henk

Hello Subok,

If I look at the documentation of this modem then it should work fine with Diafaan SMS Server. But the serial port of the modem might require a specific baudrate or flow control setting.

The easiest way to find the right COM port parameters is to use a terminal program like PuTTY to make a connection with the modem and send the command AT to it. The modem should respond with 'OK' and if it does not, you can try other COM port parameters. If the modem works with the terminal program, it should also work with Diafaan SMS Server with the same COM port parameters. If it does not work with the terminal program, it probably won't work with Diafaan SMS Server as well.

Regards, Henk