> For a complete documentation index, fetch https://docs.voximplant.ai/llms.txt

# OpenAI

## Docs

- [Overview](https://docs.voximplant.ai/voice-ai-orchestration/openai/overview.md): OpenAI and OpenAI-compatible APIs in VoxEngine
- [Example: GPT Live](https://docs.voximplant.ai/voice-ai-orchestration/openai/gpt-live.md): Answer an incoming call with OpenAI GPT Live and delegate tool work to a backend model.
- [Example: Answering an incoming call](https://docs.voximplant.ai/voice-ai-orchestration/openai/inbound.md): This example answers an inbound Voximplant call and bridges audio to OpenAI Realtime for speech‑to‑speech conversations.
- [Example: Placing an outbound call](https://docs.voximplant.ai/voice-ai-orchestration/openai/outbound.md): This example starts a VoxEngine session, places an outbound PSTN call, and bridges audio to OpenAI Realtime once the callee answers.
- [Example: Function calling](https://docs.voximplant.ai/voice-ai-orchestration/openai/function-calling.md): This example answers an inbound Voximplant call, connects it to OpenAI Realtime, and handles function calls in VoxEngine.
- [Example: Transcription with manual audio commit](https://docs.voximplant.ai/voice-ai-orchestration/openai/manual-audio-commit.md): Transcribe a Voximplant call with OpenAI Realtime Whisper and commit audio when local turn detection confirms the caller has finished.
- [Example: Half-cascade with ElevenLabs](https://docs.voximplant.ai/voice-ai-orchestration/openai/half-cascade-elevenlabs.md): This half-cascade example uses OpenAI Realtime for speech‑to‑text and reasoning, then sends OpenAI text responses to ElevenLabs Realtime TTS.
- [Example: Half-cascade with Inworld](https://docs.voximplant.ai/voice-ai-orchestration/openai/half-cascade-inworld.md): This half-cascade example uses OpenAI Realtime for speech‑to‑text and reasoning, then sends OpenAI text responses to Inworld Realtime TTS.
- [Example: Half-cascade with Cartesia](https://docs.voximplant.ai/voice-ai-orchestration/openai/half-cascade-cartesia.md): This half-cascade example uses OpenAI Realtime for speech‑to‑text and reasoning, then sends OpenAI text responses to Cartesia Realtime TTS.