OpenPhone is a virtual phone service provider that modernizes the business phone system through calling, messaging, contact management, and team collaboration. It allows users to make calls from anywhere, record conversations, send files, photos, videos, and GIFs, and organize contact details. The platform also features automation capabilities through Zapier integration, enabling users to streamline their communication with clients and customers by automating tasks such as updating contacts and sending messages. By streamlining communication, OpenPhone aims to help people efficiently manage their business communication system.