Ribbon Communications (formerly Sonus Networks) SBC 5400 session border controller showed excellent performance for call handling, media transcoding and registration performance for three different licensable configurations: 1×10-Gigabit Ethernet (GbE) interface, 2×1-GbE and 4×1-GbE interfaces. Security and high availability make this product not just high performing, but high quality. Find out more by downloading the full report.