i would like to start a outbound international call centre in siliguri as well as darjeeling which is in the state of west bengal, india. I don’t know how to start. kindly give me the technical know how.Kindly give me the details about the equipments and the investments.How the call centre is operated and what type of telephone lines are needed.what type of software needed.How to get the clients for whom the product will be sold.