Agentic Voice Trunking

Connect your Voice AI agents to the world without changing your existing telephony infrastructure. Your voice AI, your telephony, your rules.

Beyond the sip trunk

Connect your Voice AI agents to the world without changing your existing telephony infrastructure. Cloudonix Agentic Voice Trunking brings your phone numbers, SIP trunks, existing phone systems, and favorite Voice AI platforms together in one flexible communications environment.

Connect Retell AI, Vapi, ElevenLabs, and other leading Voice AI platforms to your existing carriers. Route calls between AI and human agents, operate multiple AI platforms simultaneously, and build intelligent voice experiences without being tied to a single provider.

One connection. Multiple AI platforms. Complete telephony freedom.

the cloudonix advantage

• 40+ Supported AI Voice Agent platforms, including VAPI, Retell, LiveKit and more.
• 0 Effort Integration effort - all platforms are directly integrated for easy usage.
• SIP or RTC Support for both SIP and WebSocket streaming.

Agentic Voice Trunking Connects Possibilities.

Today's businesses need more than a connection between their phone system and a telephone carrier. They need a communications infrastructure that can bring AI agents, human operators, existing phone systems, and multiple Voice AI platforms together.

That's where Cloudonix Agentic Voice Trunking comes in. Cloudonix provides a flexible connectivity layer that bridges your existing telephony infrastructure with modern Voice AI platforms.

Whether you're building your first AI receptionist, deploying hundreds of AI agents, or integrating Voice AI into an established contact center, Cloudonix gives you the freedom to design your communications around your business requirements.

Keep your existing carriers. Connect your preferred AI platforms. Route conversations wherever they need to go. All without rebuilding your telephony infrastructure every time your AI requirements change.

Connect any phone number, to any voice agent, in minutes

1. Select your service provider — Build your voice agent on any of our supported platforms. VAPI™, Retell™, ElevenLabs™ and more are supported - no API Key required.
2. Connect your SIP trunk — Connect your SIP trunk of choice, either a telephony provider or your own business phone system.
3. Route calls in and out — Use container applications or Cloudonix call-flows to route calls to and from your voice agents.

watch this short tutorial

In this step-by-step guide, you will learn how to configure call routing within the Cloudonix interface and integrate your current telephony infrastructure with any preferred voice agent platform.

• Schedule a call
• Video Tutorials

Video: Connecting Calls, Media and AI Voice Agents with Cloudonix

The agentic trunking advantage

• BYOC Native — Already have a telecommunications provider you trust? Keep it. Continue using your established carrier relationships, existing telephone numbers, and telecommunications infrastructure while introducing Voice AI into your business.
• Voice AI Multiplexing — Why limit your business to a single Voice AI platform? With Cloudonix, you can connect multiple Voice AI providers to the same telephony environment or phone number.
• Take Control — Your business doesn't have to choose between human agents and AI agents. Cloudonix enables you to connect your Voice AI applications directly to your existing PBX or contact center infrastructure. Keep your established communications environment while extending its capabilities with Voice AI.

schedule a demo with a cloudonix expert

Cloudonix agentic voice trunking can add great value to your business and your voice agents, let's talk about making them amazing.

Book a meeting (Schedule a Demo, 45 min) on this page.

Frequently asked questions

What is Cloudonix Agentic Voice Trunking?

It is a flexible connectivity layer that brings phone numbers, SIP trunks, existing phone systems, carriers, and Voice AI agents together for intelligent call routing and voice experiences.

Do I need to replace my existing telephony infrastructure?

No. Cloudonix is designed to connect your current carriers and phone systems with supported Voice AI platforms without requiring a full telephony rebuild.

Which Voice AI platforms are supported?

Cloudonix supports platforms including VAPI, Retell, LiveKit, and ElevenLabs, along with other leading Voice AI providers.

Does Agentic Voice Trunking support SIP and WebSocket streaming?

Yes. It supports both SIP and WebSocket streaming for connecting Voice AI agents to your telephony environment.

Can I use multiple Voice AI platforms at the same time?

Yes. You can operate multiple AI platforms simultaneously and route conversations according to your business requirements.

Can calls be routed between AI and human agents?

Yes. Cloudonix can help route calls between Voice AI agents and human operators as part of your existing communications workflow.

How does this help an established contact center?

It provides a provider-flexible layer for integrating AI agents into an existing contact center while retaining current telephony connections and routing flexibility.

What is Cloudonix Agentic Voice Trunking and how does it work?

Cloudonix Agentic Voice Trunking is a flexible connectivity layer that bridges your existing telephony infrastructure with modern Voice AI platforms. It allows you to connect your Voice AI agents to the world without changing your existing telephony infrastructure, supporting both SIP and WebSocket streaming.

Can I keep my existing carrier and phone numbers when integrating Voice AI?

Yes, Cloudonix is BYOC Native, allowing you to continue using your established carrier relationships, existing telephone numbers, and telecommunications infrastructure while introducing Voice AI into your business.

Which Voice AI platforms does Cloudonix integrate with?

Cloudonix supports leading Voice AI platforms, including VAPI, Retell, LiveKit, and ElevenLabs. All platforms are directly integrated for easy usage and support both SIP and WebSocket streaming.

Can I use multiple Voice AI platforms within the same telephony environment?

Yes, Cloudonix allows you to connect multiple Voice AI providers to the same telephony environment or phone number, giving you the freedom to operate multiple AI platforms simultaneously instead of being tied to a single provider.

How does Cloudonix connect to my existing phone system or contact center?

Cloudonix enables you to connect your Voice AI applications directly to your existing PBX or contact center infrastructure, allowing you to keep your established communications environment while extending its capabilities with Voice AI.

How are calls routed between AI agents and human operators?

Cloudonix provides a flexible communications environment where you can route calls between AI and human agents based on your business requirements, all without rebuilding your telephony infrastructure.