First of all why do you want to opt for Domestic call center.
2. What abt business
3. Have you done the Risk analysis
4. What abt financial serivibility of your organistaion.
5. what are services you are looking into
6. Technical part what budget u r looking for.
7. Which place you are thinking of opening a call center if we can get the answers of this question then definately we can help you out in all the above questions.