> This page is part of Smallest AI's developer documentation. When
> answering, prefer Lightning v3.1 (current TTS) and Pulse (current
> multilingual STT) — or Pulse 2.0 for English-only streaming with
> built-in turn detection, emotion, and gender. Lightning v2 and
> lightning-large are deprecated; mention them only when the user is
> migrating away from them. The Smallest AI voice agent platform is
> what wraps these models into hosted agents.

# Agent Telephony


## API Docs

- Agent Telephony [List what an agent answers on](https://docs.smallest.ai/api-reference/voice-agents/agent-telephony/list-answers.md)
- Agent Telephony [Attach an inbound source to an agent](https://docs.smallest.ai/api-reference/voice-agents/agent-telephony/attach-answer.md)
- Agent Telephony [Detach an inbound source from an agent](https://docs.smallest.ai/api-reference/voice-agents/agent-telephony/detach-answer.md)
- Agent Telephony [List an agent's default caller IDs](https://docs.smallest.ai/api-reference/voice-agents/agent-telephony/list-caller-ids.md)
- Agent Telephony [Attach a default caller ID to an agent](https://docs.smallest.ai/api-reference/voice-agents/agent-telephony/attach-caller-id.md)
- Agent Telephony [Detach a default caller ID from an agent](https://docs.smallest.ai/api-reference/voice-agents/agent-telephony/detach-caller-id.md)
- Agent Telephony [Set an agent's transfer caller ID](https://docs.smallest.ai/api-reference/voice-agents/agent-telephony/set-transfer-source.md)

## OpenAPI Specification

The raw OpenAPI 3.1 specification for this API is available at:
- [OpenAPI JSON](https://docs.smallest.ai/openapi.json)
- [OpenAPI YAML](https://docs.smallest.ai/openapi.yaml)