VoIP is well on its way to becoming a mainstream solution in enterprises of all sizes due to its operational efficiencies and competitive advantages that are facilitated through VoIP's advanced communication services. However, maintaining acceptable call quality and ensuring service reliability on a converged network remain persistent challenges for IT departments. When convergence occurs on your network, will the infrastructure be ready to handle this added burden? This white paper is a guide to sustaining optimal VoIP performance levels in converged networks.