Standard features on the SPA942 include four active lines, dual switched Ethernet ports, 802.3af PoE support, a high resolution graphical display, high quality, full-duplex 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.
More info on manufacturers site