Cisco (Linksys) SPA942 4-Line IP Phone with Power Supply (Grey/Refurbished)Standard features on the SPA942 includes four active lines, a high resolution graphical display, speakerphone, and a 2. 5 mm head set port. Each line can be independently configured to use a unique phone number (or extension), or can be configured to use a shared number that is assigned to multiple phones. Key Features: Full featured two or four line business class IP Phone supporting Power over Ethernet 802. 3af Connect directly to an Internet