arduino rs232 problems with tc35 gsm modem!!

hello,
the modem works at 9600 or 19200 !!!
not parity and

data: 8
parity: No
stop : 1
debug hardware: No

this is the configuration in the terminal that works...

i see the preference.txt and this is the standard setup of arduino.
This is not the problem...

more sugestions???

thanks

alex