A call center are used by many businesses to handle many customer calls. Sometimes call centers take the calls provide customer service, other times they act as a forwarding service. There are inbound call centers for incoming calls. There are outbound call centers for telemarketing.

There are many kinds of call centers. Some are used to make 'cold' calls to find new customers. Others act as customer service centers to provide support for a company. There are many kinds of call center software to make these call centers more efficient.