Converged VoIP communications can be made as secure as traditional PSTN. Voice over IP threats such as toll fraud, denial of service attacks, impersonation exploits, phreaking and eavesdropping can be prevented and contained with proper planning and design.
How to Make Your VoIP Deployment Hassle-Free
Ready to jump aboard the VPN VoIP train? Be prepared to use a dedicated router or a modern VoIP handset. Not all handsets support calls over VPN.