Verbara.Sdk.VoiceAi.OpenAiRealtime 2.2.1

.NET 10.0

dotnet add package Verbara.Sdk.VoiceAi.OpenAiRealtime --version 2.2.1

NuGet\Install-Package Verbara.Sdk.VoiceAi.OpenAiRealtime -Version 2.2.1

This command is intended to be used within the Package Manager Console in Visual Studio, as it uses the NuGet module's version of Install-Package.

<PackageReference Include="Verbara.Sdk.VoiceAi.OpenAiRealtime" Version="2.2.1" />

For projects that support PackageReference, copy this XML node into the project file to reference the package.

<PackageVersion Include="Verbara.Sdk.VoiceAi.OpenAiRealtime" Version="2.2.1" />
                    

                            Directory.Packages.props

<PackageReference Include="Verbara.Sdk.VoiceAi.OpenAiRealtime" />
                    

                            Project file

For projects that support Central Package Management (CPM), copy this XML node into the solution Directory.Packages.props file to version the package.

paket add Verbara.Sdk.VoiceAi.OpenAiRealtime --version 2.2.1

The NuGet Team does not provide support for this client. Please contact its maintainers for support.

#r "nuget: Verbara.Sdk.VoiceAi.OpenAiRealtime, 2.2.1"

#r directive can be used in F# Interactive and Polyglot Notebooks. Copy this into the interactive tool or source code of the script to reference the package.

#:package Verbara.Sdk.VoiceAi.OpenAiRealtime@2.2.1

#:package directive can be used in C# file-based apps starting in .NET 10 preview 4. Copy this into a .cs file before any lines of code to reference the package.

#addin nuget:?package=Verbara.Sdk.VoiceAi.OpenAiRealtime&version=2.2.1
                    

                            Install as a Cake Addin

#tool nuget:?package=Verbara.Sdk.VoiceAi.OpenAiRealtime&version=2.2.1
                    

                            Install as a Cake Tool

The NuGet Team does not provide support for this client. Please contact its maintainers for support.

Verbara.Sdk.VoiceAi.OpenAiRealtime

OpenAI Realtime API bridge for Verbara.Sdk.VoiceAi — persistent WebSocket session with function calling, transcript events, and dual-loop audio streaming.

Installation

dotnet add package Verbara.Sdk.VoiceAi.OpenAiRealtime

Quick Start

// Prerequisite: register AudioSocket transport
services.AddAudioSocketServer(opts => opts.Port = 9092);

// Register the bridge (replaces the STT→LLM→TTS chain)
services.AddOpenAiRealtimeBridge(opts =>
{
    opts.ApiKey = configuration["OpenAI:ApiKey"]!;
    opts.Model = "gpt-4o-realtime-preview";
    opts.Voice = "alloy";
    opts.Instructions = "You are a helpful call center assistant.";
    opts.VadMode = VadMode.ServerSide;
})
.AddFunction<GetAccountBalanceFunction>();   // optional tool functions

// Subscribe to bridge events
var bridge = app.Services.GetRequiredService<OpenAiRealtimeBridge>();
bridge.Events.Subscribe(evt =>
{
    if (evt is RealtimeTranscriptEvent t && t.IsFinal)
        Console.WriteLine($"[{t.ChannelId}] {t.Text}");
});

Features

OpenAiRealtimeBridge — ISessionHandler that opens a WebSocket to OpenAI Realtime API per call
Dual audio loops: inbound PCM16 → base64 → OpenAI, OpenAI audio delta → PCM16 → Asterisk
Automatic resampling between Asterisk 8 kHz and OpenAI 24 kHz via ResamplerFactory
Function calling: register IRealtimeFunctionHandler implementations with AddFunction<T>()
Observable Events stream (RealtimeTranscriptEvent, RealtimeFunctionCalledEvent, RealtimeResponseStartedEvent, etc.)
AddOpenAiRealtimeBridge() and AddFunction<T>() DI extension methods
Native AOT compatible (AOT-safe JSON via System.Text.Json source generation)

Documentation

See the main README for full documentation.

Product	Compatible and additional computed target framework versions.
.NET	net10.0 is compatible. net10.0-android was computed. net10.0-browser was computed. net10.0-ios was computed. net10.0-maccatalyst was computed. net10.0-macos was computed. net10.0-tvos was computed. net10.0-windows was computed.

Compatible target framework(s)

Included target framework(s) (in package)

Learn more about Target Frameworks and .NET Standard.

net10.0
- Microsoft.Extensions.DependencyInjection.Abstractions (>= 10.0.8)
- Microsoft.Extensions.Diagnostics.HealthChecks (>= 10.0.8)
- Microsoft.Extensions.Logging.Abstractions (>= 10.0.8)
- Microsoft.Extensions.Options (>= 10.0.8)
- System.Reactive (>= 6.1.0)
- Verbara.Sdk.Audio (>= 2.2.1)
- Verbara.Sdk.VoiceAi (>= 2.2.1)

NuGet packages

This package is not used by any NuGet packages.

GitHub repositories

This package is not used by any popular GitHub repositories.

Version	Downloads	Last Updated
2.2.1	99	5/23/2026
2.2.0	90	5/20/2026
2.1.2	105	5/8/2026
2.1.1	101	5/7/2026
2.1.0	601	5/7/2026
2.0.0	100	5/6/2026