A modern telephony system or keyphone system is a multiline telephone system typically used in small office environments. Key systems are noted for their expandability and having individual line selection buttons for each connected phone line, however some features of a private branch exchange such as dial able intercoms may also commonly be present. At NVDS, we provide installation, consultation, and service for Panasonic, Toshiba and NEC system.
VOIP (Voice over IP) is generally a new telephony technology using IP networks such as the internet to deliver voice service. This is a big advantage to organization because the system generally does not have to pass over traditional PSTN network, hence saving a lot in terms of call charges. Companies normally can save up to...
