Installing GP internet in Ubuntu using GPRS/EDGE modem

Installing GP internet in Ubuntu using GPRS/EDGE modem is easy. Any GPRS/EDGE modem can be installed in following way -

Installation:
Install the following packages from Synaptic Package Manager.
wvdial
gnome-ppp
usb-modeswitch (Optional, may not be needed for your device)

Otherwise you can also issue following commands in a terminal to install those -

sudo apt-get install wvdial
sudo apt-get install gnome-ppp
sudo apt-get install usb-modeswitch

If your computer is not connected to internet you can download the package separately with dependencies and install those packages.

Configuration:
1) Run gnome-ppp as root user -
sudo gnome-ppp

2) Configure gnome-ppp
1)Provide credentials
user id=gp
password =gp
phone no = *99***1#

2)Detect your modem
Go to Setup->Modem
Press detect button. It should autodetect your modem.

3)Configure
Go to Setup->Modem->Phone options and init strings. Type the following line for Init3:
AT+CGDCONT=1,”IP”,”gpinternet”
Press close

Connect:
Close the setup screen and press 'Connect' button on gnome-ppp.