నైరూప్య

Approaches to Deploying VoIP Technology Instead of PSTN Case Study: Libyan Telephone Company to Facilitate the Internal Work between the Branches

Elmabruk M Laias

This paper aims to define the VOIP technology in addition to presenting a vision for the design, installation and operation of the SIP Proxy Server service in Libya Phone Company. We will also compare the connectivity methods of the Libyan telephone company using fiber optics and VPN technology in order to secure safe and reliable transmission to the data of customers who subscribe to the network service through assigned tunnels. Also with the rapid growth of the Internet and the increase of load on the network in terms of users and service providers, there are many ways to connect sites to ensure quality of service QoS and traffic security and the number of call, in this study OPNET simulator used to simulate the proposed solutions for the VOIP.