Implementation of Secured IP Telephony System

Abstract

In this project, IP telephony feature and secured IP telephony system have been considered to setup the PBX system. IAX trunk is created and configured so that extension of one server can call to the extension of another server of same network. Elastix call center is also installed and configured so that campaign for incoming and outgoing calls could be made and which allowed the interaction between agents and telephony subscribers. Openfire and Spark have been installed and configured so that instant messaging between people could be made on same network, even network joined by a WAN, instant messaging also possible to external people by using the openfire gateway plug in. The packet passing over the network has also been analyzed by wireshark. And, finally, server has become secured in 3 levels by Bactrack and it is ensured the privacy of the system and no one can hack and destroy the system modify it as one want.