How telli automates high-volume enterprise phone operations with LiveKit and ai-coustics

Telli, a company founded in 2024 by Finn zur Mühlen, Philipp Baumanns, and Seb Hapte-Selassie, automates high-volume phone operations for B2C enterprises using AI voice agents to handle tasks like lead qualification, appointment bookings, and customer service. The company quickly gained traction, securing a $3.6 million pre-seed investment from Y Combinator and scaling its revenue significantly. Telli leverages LiveKit for its unified platform, which supports reliable telephony, real-time agent runtime, and compliant call recording, enabling seamless integration with various telecommunication infrastructures. The switch to LiveKit allowed telli to rapidly migrate and operate across multiple languages and regions while ensuring low latency and high audio quality, crucial for maintaining customer engagement and satisfaction. Telli also collaborates with ai-coustics to enhance audio quality, addressing challenges such as short utterance transcription and turn-taking errors, which are critical for enterprise-level deployment. This partnership has helped telli expand its services across Europe, working with major enterprises like Sky to improve customer engagement and operational efficiency, ultimately leading to significant revenue growth and establishing telli as a trusted provider in the voice AI market.

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