Next-Gen Design of Ingenuity, Enterprise-grade Performance First-rate Audio Quality to Power up Communication The audio performance of CP925 is powered and enhanced with the built-in 7-microphone array for voice pickup and noise cancellation. Covering a range of 20-foot with 360° omni-direction, the phone is adequate to deliver clear and natural voice conference experience. Algorithm of Intelligence, Engineered for Productivity Diving into the field of audio communication for more than 20 years, Yealink has developed a series of acoustic technology including Smart Noise Filtering, Optimal HD audio and Noise Proof Technology to eliminate all the distracting sounds. With the next-generation technology, the exchange of verbal message can be more productive than ever.