As I said before, in the world of telesales/internet sales there are two distinct philosophies as to how to set it up on a business scale.
1. Sales/customer service reps where the same person who takes and places the orders over the phone are also there to service you afterward and become the "voice" of the business to the person on the other end of the phone.
2. Sales/order taking is one department and customer service is another. The sales order taking staff are usually entry level positions and could be seasonal depending on the business. They basically answer the phone and take orders. The customer service staff handles the service of the customers, upselling, problem solving, renewals, marketing, billing situations etc. This is a position that is year round and requires different,more professional skills than that of the order taker.
If the Heat have the second business model and the Celtics have the first, there really is no comparing the two situations. Also, with the second model, layoffs in the order taking area are a common way of doing business if the business at hand is a seasonal one, which NBA basketball is.