Polycom Ultimate HD technology offers premier conferencing at the desktop thus extending your personal workspace to a global meeting environment. The series delivers HD visual, highest-quality video, voice and content-sharing is possible with up to 1080p quality, even on suboptimal networks or over the Internet. Polycom HDX 4000 series gives you a natural experience of high quality video communication up to 1920x1080 resolution at 30 fps. Polycom Siren 22 technology delivers high definition voice enabling the users a complete clear understanding of the meeting. You can now keep everyone on the same page and can share improved information, graphics, presentations and rich-media across HD and non-HD video systems. The compact and innovative device ensures a fast and hi-tech communication even over congested IP networks and creates a single online platform for HD video conferences.