The SPA525G2 5-Line IP Phone with Color Display (Figure 1) is an excellent choice for businesses that require an enhanced user experience with a hosted IP telephony service, an IP private branch exchange (PBX), or a large-scale IP Centrex deployment. Part of the Small Business Series, the SPA525G2 uses industry-leading SPA voice over IP (VoIP) technology from, with high-quality hardware providing additional connectivity via Bluetooth, PoE ( 802.3 af), or a Wireless-G client ( 802.11 g). Standard SPA525G2 features include five active lines, VLAN-capable dual switched Ethernet ports, 802.3 af PoE support, a 3.2 -inch QVGA color display, a full-duplex, high-quality speakerphone, a Bluetooth interface, a Wireless-G ( 802.11 g) client, a 2.5 -mm stereo headset port, and a USB 2.0 host port.