fonio - AI phone calls made easy

fonio provides AI phone assistants that can take and handle phone calls automatically.
Users can create assistants by choosing the voice, language, and welcome message.
Call handling and post-processing can be configured, including transcript delivery preferences.
The AI can be connected to a fonio number or the customer’s own phone system.
fonio integrates with calendars, CRMs, internal systems, and databases via native integrations or APIs.
The company says its servers are in Nuremberg, Germany, and its headquarters are in Austria.
fonio claims to develop its own orchestration layer, keeping data with the company rather than white-labeling U.S. services.
Setup can take only a few minutes, though full implementation depends on integration complexity.
If the AI cannot resolve a call, it can schedule a callback or transfer the caller to a human agent.

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20 VC invested

@schayeJun 9, 2026