Application and Realization of VPN and VoIP Technology in Integrating Data and Telephone Networks in the Enterprise

Solution and realization of integrating data and telephone networks in the enterprise are described,and the solution of the establishment of enterprise virtual private network is provided in public network. Taking the network construction of the extensive electric power enterprise as an example,this paper introduces how to set up the VPN in the enterprise based on the original network foundation,and carried out the method of the voice over IP in the VPN.