Deploying VoIP in Existing IP Networks
Khaled Salah · 2008
Many network managers find it attractive and cost effective to merge and unify voice and data networks. A unified network is easier to run, manage, and maintain. However, the majority of today’s existing data networks is Ethernet-based using IP protocols. Such networks are best-effort networks and were not designed to support real-time applications such as VoIP. VoIP