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.
Polycom HDX4500 is a universal personal telepresence system that allows you use the latest UltimateHD technology in your existing environment of unified communications. The HDX 4500 system is made in a new form-factor, equipped with 24-inch display, 1080p camera and powerful speakers; it easy transforms any desktop computer into a multimedia communications center.