n company put up to undertake a sizable amount of telephone calls, esp. for taking instructions and supplying customer support.
Telephone service center set up to manage a lot of (usually) both inbound and outbound phone calls. Some companies, however, focus just in phone calls that are inbound (for support, assistance, or purchasing) or outgoing (for sales promotion or any other communications). Many telephone instructions tend to be managed by call centers and never because of the manufacturers or manufacturers of goods or solutions.
a center equipped to carry out a large volume of calls (especially to take orders or serving customers)