A collection of telephones within an organization such as a call centre
Call centre
File:An Indian call center.jpgA call centre or call center is a centralised office used for the purpose of receiving and transmitting a large volume of requests by telephone.... .
A banking institution that does business solely or mostly via telephone. See telephone banking
Telephone banking
Telephone banking is a service provided by a financial institution which allows its customers to perform financial transaction over the telephone.... .
