Telli, a YC alum, has raised $3.6 million in pre-seed funding for its AI voice agents.The AI voice agents of Telli can handle basic operations while human operators handle more complex processes.Telli has achieved revenue growth of over 50% month over month and has processed close to a million phone calls.The voices of Telli's AI agents are created by hired voice actors, and the underlying AI models vary between OpenAI, Claude, and others.