A reliable IP phone for small business users, the GXP1620 delivers a suite of powerful VoIP features in an easy-to-use fashion with a modern design. The GXP1620 offers support for up to 2 lines and features full HD audio on both the speaker and handset to allow users to communicate with the utmost clarity. These features allow the GXP1620 to be a high-quality and easy-to-use small business IP phone.