Aircall builds a cloud-based business phone and contact center platform for sales and support teams, integrating voice, SMS, WhatsApp, and social channels with 200+ CRM/helpdesk apps. It sells its software via subscription to companies that want VoIP calling, call routing/recording, analytics, and AI features like automated agents and post-call summaries. Founded in 2014 and privately held, it serves 22,000+ businesses worldwide, with operations spanning Paris (European HQ) and the Seattle area (North American HQ).