using sim card of faststone

sudo gedit /etc/wvdial.conf

========== ========== ========== ==========

[Dialer Defaults]
Init1 = ATZ
Init2 = ATQ0 V1 E1 S0=0 &C1 &D2 +FCLASS=0
Modem Type = Analog Modem
ISDN = 0
Password = password
New PPPD = yes
Username = username
Phone = *99#
Modem = /dev/ttyUSB2
Baud = 115200
APN = internet
Stupid Mode =1
Dial Command = ATDT