For a business of any size, there are phone calls that have to be routed and dealt with. Many companies will hire their own clerical workers to handle phone calls. However, when the business is large and gets a lot of calls, it may be time to get call centers to handle those calls for you. When you send calls to a call center, the call center sales representative who gets the call will handle it in just the way that you want it. The call center personnel take training when they take on your calls so that they will know just how to handle each call that comes in.