Ooma's 2603 Phone is a high-quality phone, ideal for new or established businesses. It works with Ooma Office phone service. It sets up in minutes and has 35+ features like a virtual receptionist, conference line, call blocking, SMS messaging, and more, starting at $19. 95 per user. Easily set up and manage from anywhere with the Ooma Office Cloud-based portal. A 3-line, easy-to-use IP phone with 5-way voice conferencing is an ideal choice for expanding businesses that need to maximize productivity or users with medium-to-heavy call volumes. It features full HD audio on both the speaker and handset to allow users to communicate with the utmost clarity, EHS support for Plantronics, Jabra, and Sennheiser headsets, and noise shield technology to minimize background noise. Supports 3 lines; ideal for expanding businesses that need to maximize productivity or users with medium-to-heavy call volumes. Electronic Hook Switch (EHS) support for headsets. Supports 5-way audio conferencing for easy conference calls. Full-duplex speakerphone with HD audio to maximize audio quality and clarity. 2. 5-in. backlit, monochrome display. 10/100/1,000 Ethernet with pass-through port. Built-in Power-over-Ethernet to power device and give it network connection. Includes handset, phone stand, Ethernet cable, power adapter, phone cord, phone setup guide, phone assembly, and connection guide.