VOIP Security Poses a Problem
As opposed to traditional telecom networks, which use circuit switches to transfer calls, IP-based VOIP networks rely heavily on enterprise data gear. Running VOIP across routing and switching equipment means that ports are often left open to allow the passage of VOIP traffic, which could expose backend data center servers to security threats such as viruses and denial-of-service attacks.
Read more at NDCF.
— James Rogers, Site Editor, Next-gen Data Center Forum