A call shop is a business that provides physical phones for the purpose of making long-distance telephone calls. There are two main types of call shop payment methods; prepaid and postpaid.
The handling of incoming and outgoing phone calls. The incoming calls
are those which you receive from your clients. The outgoing ones – calls to
your clients, suppliers and other contacts. The very service is provided by
special companies, most often by telemarketing call service centres.