How to use Tata USB modem on Ubuntu

Some time back,I tried putting in Tata USB modem (also known as plug2surf or Tata SXC 1080 here in India) on my Ubuntu desktop. The configuration is pretty much straight forward that involves editing a wvdial.conf file with the supporting parameters for making the modem work. Configuration steps: 1.From Ubuntu terminal,type sudo wvdial(Note that if …