# Crazytel AI Bridge - Connect Phone Numbers to Voice AI

> Canonical URL: https://crazytel.com.au/ai-bridge/

Crazytel AI Bridge is a custom-engineered telephony gateway that connects Crazytel phone numbers directly to leading AI voice platforms and LLM voice agents.

## Supported Platforms

- OpenAI Realtime API
- Vapi
- Retell AI
- Grok / xAI
- Custom SIP / WebSocket voice endpoints

## Key Capabilities

- **Direct Inbound SIP Routing**: Inbound calls route directly to AI agent SIP URIs with sub-100ms connection latency.
- **Carrier-Grade Audio**: G.711u, G.711a, and Opus codecs with crystal-clear audio quality.
- **Secure Telephony**: SIPS (TLS) signaling and SRTP encrypted media paths.
- **Australian & International DIDs**: Connect Australian local numbers (02, 03, 07, 08), 1300/1800 numbers, and Virtual Mobile Numbers.
- **Webhooks & Call Events**: Real-time event notifications for call start, answered, transfer, and termination.

## Pricing

- Inbound AI Bridge routing: from $0.0025 AUD per minute.
- Phone numbers: standard DID rental rates apply (local DIDs from $2.00/mo, 1300/1800 from $7.95/mo).
- No setup fees, no minimum commitment.

Get started: https://myaccount.crazytel.com.au/signup/