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.
Network router transformed, from the device used only for connection between different networks, into a device capable of performing many additional functions. More and more customers of Cisco deploy routers with integrated network services – complex network routers, which transmit voice, video and data, ensure the Internet connection and provide Wi-Fi and other add-ons.