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VoIP (Voice over Internet Protocol) is a growing technology during lastdecade. It provides the audio, video streaming facility on successfulimplementation in the network. However, it provides the text transport facilityover the network. Due to implementation of it the cost effective solution, itcan be developed for the intercommunication among the employees of aprestigious organization. The proposed idea has been implemented on the audiostreaming area of the VoIP technology. In the audio streaming, the securityvulnerabilities are possible on the VoIP server during communication betweentwo parties. In the proposed model, first the VoIP system has been implementedwith IVR (Interactive Voice Response) as a case study and with theimplementation of the security parameters provided to the asterisk server whichworks as a VoIP service provider. The asterisk server has been configured withdifferent security parameters like VPN server, Firewall iptable rules,Intrusion Detection and Intrusion Prevention System. Every parameter will bemonitored by the system administrator of the VoIP server along with the MySQLdatabase. The system admin will get every update related to the attacks on theserver through Mail server attached to the asterisk server. The main beauty ofthe proposed system is VoIP server alone is configured as a VoIP server, IVRprovider, Mail Server with IDS and IPS, VPN server, connection with databaseserver in a single asterisk server inside virtualization environment. The VoIPsystem is implemented for a Local Area Network inside the university system

A novel approach for security issues in VoIP networks in Virtualization with IVR