Audience
Businesses, developers, and operations teams wanting to automate inbound and outbound phone calls with accurate, multilingual AI agents that integrate with existing workflows
About ThunderPhone
ThunderPhone is a full-stack voice AI platform built to handle real-world phone calls with high accuracy, strong instruction following, and natural conversation. It fuses multiple transcripts with direct audio-to-LLM input so that addresses, spellings, accents, background noise, and mumbled speech are less likely to turn into wrong answers. Agents can place and receive calls, run bulk outbound campaigns with pacing and retries, operate over real telephony or inside websites and apps, and communicate in more than 40 languages with support for accents, mixed-language calls, and mid-conversation language switching. It handles interruptions, backchannels, cross-talk, voicemail, screeners, keypad input, warm and cold transfers, and human handoffs while preserving context. Built-in retrieval lets agents answer from uploaded documents, while live supervision allows operators to watch calls and whisper guidance to the AI.
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