Patent ID: 8379633

Claim:
A concentrator for a voice telecommunication apparatus, the concentrator being employed in a local area network that includes a LAN hub and a LAN switching unit, said concentrator comprising: a controller; an interface package unit having BORSCHT (Battery feed, Overvoltage protection, Ringing, Supervision, Coding, Hybrid, and Testing) functions, the interface package unit being connected between the controller and the voice telecommunication apparatus; and wherein the controller comprises a central processing unit, a local area network interface for performing transmission and reception of data, the local area network interface being connected between the central processing unit and the LAN hub, and means for communicating signals between the LAN switching unit and the interface package unit, wherein digital voice data, analog voice data or call control data received from the voice telecommunication apparatus is converted into transmission control protocol—internet protocol packets or user datagram protocol—internet protocol packets, and wherein the transmission control protocol—internet protocol packets are transmitted and received via the local area network interface.