Businesses have profited from the Call Center Services for decades. Inbound call centers have given companies services such as customer care and technical assistance for clients, while Outbound Call Center Services have supplied businesses with services such as telemarketing. In today's corporate world, the call center is a household name. The cost of outsourcing outbound and incoming calls has turned the call center into a vast industry, and there are now numerous onshore and offshore suppliers. Telemarketing generates a high return on investment, especially for low-cost service providers such as utilities and telecoms. At the same time, inbound contact centers have proved to be effective in customer care and technical support.