> 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.

# SIP Trunks


## API Docs

- SIP Trunks [List inbound SIP trunks](https://docs.smallest.ai/api-reference/voice-agents/sip-trunks/list-inbound.md)
- SIP Trunks [Create an inbound SIP trunk](https://docs.smallest.ai/api-reference/voice-agents/sip-trunks/create-inbound.md)
- SIP Trunks [Delete an inbound SIP trunk](https://docs.smallest.ai/api-reference/voice-agents/sip-trunks/delete-inbound.md)
- SIP Trunks [Update an inbound SIP trunk](https://docs.smallest.ai/api-reference/voice-agents/sip-trunks/update-inbound.md)
- SIP Trunks [List outbound SIP trunks](https://docs.smallest.ai/api-reference/voice-agents/sip-trunks/list-outbound.md)
- SIP Trunks [Create an outbound SIP trunk](https://docs.smallest.ai/api-reference/voice-agents/sip-trunks/create-outbound.md)
- SIP Trunks [Delete an outbound SIP trunk](https://docs.smallest.ai/api-reference/voice-agents/sip-trunks/delete-outbound.md)
- SIP Trunks [Update an outbound SIP trunk](https://docs.smallest.ai/api-reference/voice-agents/sip-trunks/update-outbound.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)