A /etc/wvdial.conf meg ez:

[Dialer Defaults]
Init1 = ATZ
Init2 = ATQ0 V1 S0=0 &C1 &D2 +FCLASS=0
Init3 = AT+CGDCONT=1, "IP", "internet.vodafone.net"
Modem Type = Analog Modem
Phone = *99#
ISDN = 0
Stupid Mode = 1
Username = vodafone
Password = vodafone
Modem = /dev/ttyUSB0
Baud = 460800
New PPPD = yes

Azon az oldalon amit adtal, hianyzik a "Stupid Mode"

Ha ez nincs benne, 2-5 percig is tarthat a bekonentolas - valamiert -