First of all, you have to select the product or service in which you would like to do business. There are enormous numbers of products and services in which you can start your business. You must only choose a product or service which you can sell easily. Besides, it is very important for you to know your expertise so that you can select a product or service accordingly.
Then, you have to choose a company which is looking for the telemarketers. You must keep in mind that during the beginning it will be very difficult for you to target bigger companies. So, you should take a small start. In this way, you will not only be able to get some essential experience, but you can also make a superb portfolio. In addition, you will get some good chances to flourish your skills and capabilities to work in a better way.
After working for some small companies, you must try to target the bigger ones. In order to attract the giant companies, you will have to write a good business proposal to them. Besides, you must also mention your experience regarding the telemarketing of different products and the names of the companies with which you have already worked.
After making a deal with the company of your choice, you should make the necessary arrangements for the lead. Some companies will provide their own databases so that you can easily contact with the targeted audience. However, sometimes you have to create your own database to contact with the potential buyers. You can also take the services of an external database provider who will give you the essential details about your potential customers and will take some money as consideration.