# LiveVoiceSessionCreateRequest

> Tracon documentation. Tracon is a .NET package family that adds a control
> plane on Microsoft Agent Framework, published as NuGet packages that run
> inside your own ASP.NET Core application.
>
> Page: https://tracon.dev/http-api/schemas/livevoicesessioncreaterequest/
> Summary: OpenAPI request or response schema for LiveVoiceSessionCreateRequest, including required fields, defaults, constraints, and linked nested types.

[← All HTTP schemas](/http-api/schemas/)

The request that opens a provider-hosted live voice session.

**Shape:** `object`

| Property | Required | Type | Description | Rules |
|---|---|---|---|---|
| `sessionId` | yes | `string` | Gets the agent session the conversation runs in. | — |
| `agent` | yes | `string` | Gets the agent to talk to. | — |
| `sdp` | yes | `string` | Gets the media peer's SDP offer. | — |
| `voice` | no | `string` | Gets the requested output voice; `null` leaves the configured default. | — |