Hier ein Auszug aus /var/log/messages: Mar 9 21:01:15 obelix FaxGetty[5339]: OPEN /dev/ttyS0 Mar 9 21:01:15 obelix FaxGetty[5339]: MODEM set DTR OFF Mar 9 21:01:15 obelix FaxGetty[5339]: DELAY 75 ms Mar 9 21:01:15 obelix FaxGetty[5339]: MODEM set DTR ON Mar 9 21:01:15 obelix FaxGetty[5339]: DELAY 2600 ms Mar 9 21:01:18 obelix FaxGetty[5339]: MODEM set baud rate: 19200 baud, input flow XON/XOFF, output flow XON/XOFF [...] Mar 9 21:02:33 obelix FaxGetty[5339]: MODEM flush i/o Mar 9 21:02:33 obelix FaxGetty[5339]: <-- [4:ATZ\r] Mar 9 21:02:33 obelix FaxGetty[5339]: --> [3:ATZ] Mar 9 21:02:33 obelix FaxGetty[5339]: --> [2:OK] Mar 9 21:02:33 obelix FaxGetty[5339]: <-- [20:AT&E+xx.xxx.xxxxxxx\r] Mar 9 21:02:33 obelix FaxGetty[5339]: --> [19:AT&E+xx.xxx.xxxxxxx] Mar 9 21:02:33 obelix FaxGetty[5339]: --> [5:ERROR] Mar 9 21:02:33 obelix FaxGetty[5339]: MODEM Command error Mar 9 21:02:33 obelix FaxGetty[5339]: MODEM set DTR OFF Mar 9 21:02:33 obelix FaxGetty[5339]: Unable to setup modem on /dev/ttyS0; giving up after 2 attempts Mar 9 21:02:33 obelix FaxGetty[5339]: CLOSE /dev/ttyS0