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2400 Baud

From: Chris Bartram
Subject: 2400 Baud
Date: Tue, 6 Oct 2009 17:09:00 +0100


I'm trying to get Gnokii to send via a fixed line SMS modem. The modem
seems to use standard GSM commands and emulates a serial port, and I can
successfully send messages from a terminal session using AT+CMGS.

I'm using port=/dev/ttyUSB0, (which I've tested with the terminal
session), and model= at, and set the serial_baudrate = 2400, as that is
what the modem seems to need according to the documentation.

When I send I get "Serial port speed 2400 not supported!".

Is there a way around this? Is this even a good idea, and should I
devote some time to a writing a script to drive the modem directly (I'm
not much of a programmer)?

There's some info on the modem at It uses a CP2101 usb-serial
converter- I had to change the VID and PID to get the driver to
recognise it.



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