The Savi 700 series is changing the way productivity-focused office professionals communicate. With three-way connectivity, easily manage and switch between PC, desk phone, and now mobile calls from a single wireless headset. Optimized for Unified Communications, the system automatically updates your status to "busy" on PC, mobile and even desk phone calls so colleagues can see your availability. This intelligent system combines best-in-class sound quality, hands-free mobility and hours of talk time for ultimate efficiency. Once you experience a Savi 700 headset system you'll wonder how you ever lived without it. . Poly Part Number 83542-01 .