Symphony Cloud9 Trader Voice is a cloud-native software-as-a-service platform designed for trader voice communication, offering features such as intercom connections, TV audio broadcast, hoot capability, multiple device support, global free seating, call metadata, AI-powered background noise removal, and internal directory. It integrates with third-party phone systems like Zoom Phone, Cisco, and Avaya, and provides transcription services using Google Cloud AI. The platform supports hardware enhancements like CloudHub and Button Board, and offers APIs for call data extraction and operational task automation. It also includes AI-powered noise cancellation through a partnership with Krisp, enhancing audio clarity in noisy environments. Cloud9 is designed to modernize trader voice communication with flexible deployment options, rich telephony features, and data-powered insights, serving as a scalable alternative to traditional turret phones.