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blackdwarftech / siphon

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The open-source foundation for production Voice AI. Build, scale, and own your AI calling infrastructure. Bridge legacy SIP to modern LLMs over ultra-low latency WebRTC pipelines. Zero platform fees, BYOK, and full data sovereignty.

infrastructure twilio sip webrtc self-hosted telephony openai speech-to-text python-framework ai-agents cpaas voice-bot voice-ai voice-agent livekit llm ai-calling vapi-alternative siphon-ai retell-alternative
  • Updated May 12, 2026
  • Python

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