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AI Voice Connectivity

Crazytel AI Bridge

Built for customers who want to use Crazytel managed phone numbers to send calls to major AI voice agents — OpenAI, Grok, Retell, Vapi and more. A custom-engineered gateway that handles the protocol complexity standard inbound lines cannot.

$ 0.0025 / min inbound
Transparent AI routing
AUD · billed per inbound minute
SIPS & Secure SIP
OpenAI · Vapi · Retell · Grok
Managed Number Routing

Why AI Bridge?

Connecting telecommunications networks to modern AI voice engines presents unique protocol and infrastructure challenges. AI Bridge is a custom-engineered gateway designed to handle these complexities, giving you a seamless link to the world's leading AI voice platforms.

Advanced Protocol Handling

AI voice platforms use diverse VoIP infrastructures, Session Border Controllers (SBCs), and secure protocols. AI Bridge supports advanced requirements like SIPS (Secure SIP) and custom media negotiation, bridging the gap that standard inbound lines cannot support.

Constantly Updated

The AI voice landscape is evolving rapidly. AI Bridge is designed to support leading providers (like OpenAI Realtime, Vapi, Retell) and is actively updated to maintain compatibility with new engines as they are released.

Custom Integration Assistance

Have a unique custom setup or a new AI voice provider that isn't working out of the box? Contact our team, and our engineers will work with you to analyse your routing needs and add support.

Built for Leading AI Voice Platforms

Route your Crazytel managed phone numbers to the AI agents your business already runs — with a gateway kept current as the ecosystem grows.

OpenAIRealtime
VapiVoice Agents
RetellAI Voice
GrokxAI Voice
CustomAsk our team

How AI Bridge Works

Keep your Crazytel numbers. Point inbound calls at the AI platform of your choice. We handle the secure SIP and media path in between.

Provision your number

Use a Crazytel managed phone number — local DID, virtual mobile, or inbound service — as the public face of your AI agent.

Connect via AI Bridge

Configure routing to your AI voice provider. AI Bridge negotiates SIPS, SBC requirements and media parameters that standard forwarding skips.

Take AI-powered calls

Callers dial your Australian number and reach your AI agent. You pay a clear $0.0025 per inbound minute on the bridge.

Simple, Transparent Pricing

One inbound rate for AI Bridge. No lock-in contracts — Australian-owned infrastructure with rates you can scan at a glance.

AI Bridge Inbound

Route managed Crazytel numbers to OpenAI, Vapi, Retell, Grok and supported AI voice engines. Protocol handling and media negotiation included.

$0.0025 per minute inbound · AUD

Phone number rental and standard trunk charges are billed separately. Contact us for custom multi-provider or high-volume setups.

Ready to connect your numbers to AI?

Sign up and talk to our team about enabling AI Bridge on your Crazytel managed numbers — or ask us about a custom AI voice provider.

Create Account Contact Engineering

Frequently Asked Questions

Practical answers about AI Bridge routing, pricing and platform support.

What is AI Bridge?
AI Bridge is Crazytel's custom-engineered gateway that connects your managed Crazytel phone numbers to major AI voice agents such as OpenAI Realtime, Vapi, Retell and Grok. It handles the protocol and infrastructure complexity that standard inbound lines cannot support.
How much does AI Bridge cost?
AI Bridge inbound calls are billed at $0.0025 per minute. Phone number rental and any other trunk charges are billed separately under your normal Crazytel plan.
Which AI voice platforms are supported?
AI Bridge is designed for leading providers including OpenAI Realtime, Vapi, Retell and Grok. The gateway is actively updated as new AI voice engines are released. If your provider is not listed, contact our engineers for custom integration assistance.
Why can't I just forward a standard inbound line to an AI agent?
AI voice platforms use diverse VoIP infrastructures, Session Border Controllers and secure protocols. Many require SIPS (Secure SIP) and custom media negotiation that standard inbound forwarding cannot provide. AI Bridge is built specifically for those requirements.
Can you add support for a new AI provider?
Yes. If you have a unique custom setup or a new AI voice provider that is not working out of the box, contact our team. Our engineers will analyse your routing needs and work with you to add support.