The NetVanta 1550-48p 48-Port, fully managed Gigabit switch with PoE is a part of best switches for Voice over IP (VoIP). purpose built for enterprises looking to upgrade their networks with high-performance, reliable, scalable and easy to manage switching solutions, the NetVanta 1550-48p switches are ideal for Premises or hosted VoIP, Wi-Fi expansion, video streaming, Gigabit to the desktop, and campus networking.