Installer usb-modeswitch: apt-get install usb-modeswitch

Installer wvdial: apt-get install wvdial

configurer /etc/wvdial.conf:

[Dialer Defaults]
Init1 = ATZ
Init2 = ATQ0 V1 E1 S0=0 &C1 &D2 +FCLASS=0
Init5 = AT+CGDCONT=1,“IP”,“orange.fr”
Modem Type = Analog Modem
Baud = 460800
New PPPD = yes
Modem = /dev/ttyUSB0
ISDN = 0
Phone = *99#
Password = orange
Username = orange