VoIP Resiliency, Security and Availability

An Analysis of VoIP Networks, their Vulnerabilities and the Impact of VoIP Technology on Emergency Call Handling.

VoIP telephony has emerged victorious in the data/voice integration revolution and offers its users high functionality at an affordable price. However, people are often concerned that this comes at a price and that there is no substitute for the safety and security of traditional telephony networks, particularly when it comes to contacting the emergency services. In this paper, we explore the current challenges for VoIP telephony and show that by combining robust network design with powerful and intelligent VoIP gateways, high availability need not be a thing of the past.