Sample wvdial.conf file

Sample Wvdial conf file for AT&T 3G

[Dialer AT_n_T_3G]
Init1 = ATZ
Init2 = ATQ0 V1 E1 S0=0 &C1 &D2 +FCLASS=0
Init3 = AT+CGDCONT=1,"IP","wap.cingular",,0,0
Modem Type = USB Modem
Phone = *99***1#
Username = wap@cingulargprs.com
Password = CINGULAR1
Modem = /dev/ttyUSB0
Stupid Mode = 1
ISDN = 0
Dial Command = ATDT

To use the above file :

wvdial AT_n_T_3G

Sample Wvdial conf file for T-Mobile 2G

[Dialer TMO_2G]
Modem Type = Analog Modem
Phone = *99#
ISDN = 0
Baud = 115200
Username = user
Password = pass
Modem = /dev/ttyO1
Init1 = ATZ
Init2 = ATQ0 V1 E1 S0=0 &C1 &D2 +FCLASS=0
Init3 = at+cgdcont=1,"IP","epc.tmobile.com"
Stupid Mode = 1
New PPPD = yes

To use the above file :

wvdial TMO_2G