Sharlie: Behind the Scenes of a Speech-to-Speech Voice Assistant
• Sharlie, Sosh’s voice assistant since March 2026, is based on speech-to-speech technology that processes voice data directly, without relying on an intermediate text transcription.
• A multi-agent orchestration system developed by the startup ILLUIN Technology enables Sharlie to autonomously and seamlessly handle a wide range of customer requests.
• To test the system on a large scale, Orange has created simulation environments and virtual customers.
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