CheckPhone SIPdefense
By CheckPhone
A SIP security gateway can provide comprehensive, scalable, flexible security and connectivity for remote and mobile VoIP users. The emergence of SIP (Session Initiation Protocol) as the standard of choice for real-time IP communications is fueling the convergence of previously separate applications including telephony, Email, Instant Messaging and Online collaboration. But by combining aspects of networking and telephony, VoIP presents a unique set of security challenges. Administrators are struggling to find ways to provide a service with the quality and reliability of traditional telephony, while mitigating the same risks and threats faced by online services like port 80 and email Unless these issues are properly addressed, critical business applications can be left open to attack or abuse resulting in service disruption, financial loss and legal liability. This paper describes a mitigation approach which includes VoIP over VPNs and associated techniques to close VoIP vulnerabilities.
