snom Headsets have been updated with a new look and improved ergonomics and usability. With the snom headsets, snom provides a complete product line for use in a variety of Internet telephony environments: SMEs (small and medium-sized enterprises), home offices, and call centers. The HS-MM2 headset is used for the snom 320, 360, 370, 720, 760, 820, 821, 870 phones.