In windows we can use pcsuite or ovi software from nokia or some other softwares to configure your mobile phone to work as a modem and run internet over PC.But if your PC has RHEL5 or some other Linux OS then how you can use your phone to connect to internet and run internet on PC.So Iam giving you steps how to configure your linux pc to use your nokia or some other mobile phone as a modem and connect to internet .Wvdial is the utility which is use to do this.
1.Login with root and run the following command:
wvdialconf /etc/wvdial.conf
this command detect your phone as a modem and create the wvdial.conf file.
2. Now open this file with the following command
vim /etc/wvdial.conf
and do the following entry with your phone connection service provider settings:-
[Dialer Defaults]
Init1 = ATZ
Init2 = ATQ0 V1 E1 S0=0 &C1 &D2
Init3 = AT+CGDCONT=1,"IP","airtelgprs.com"
Modem Type = USB Modem
Baud = 460800
New PPPD = yes
Modem = /dev/ttyACM1
ISDN = 0
Phone = *99***1#
Username = a
Password = b