Jin, The alsa1.0.20 slmodemd install and below wvdial.conf are fine. Go ahead with the dialout test a few times. If it fails, give us the added information provided by modem activation with: $ sudo wvdial -c GREECE --alsa -debug=2 --log=5 hw:0,6 and send us the output logfile MarvS [Dialer Defaults] Init1 = ATZ Init2 = ATQ0 V1 E1 S0=0 &C1 &D2 +MS=34 (changed Init2 line +MS=34, per linmodem list support) Username = * Password = * Phone = 9728520780 Phone1 = 9727590480 Phone2 = 9729939606 Phone3 = 9725354047 Phone4 = 9725354006 Modem Type = Analog Modem Baud = 460800 Modem = /dev/ttySL0 ISDN = 0 Carrier check = no On Tue, Feb 2, 2010 at 1:22 AM, Jin <jinsbin@xxxxxxxxx> wrote: >