# Business SIP Trunks | Crazytel Australia

> Canonical URL: https://crazytel.com.au/business/siptrunks/

Connect your on-premise PBX or cloud phone system to Crazytel's enterprise-grade SIP trunking network with $0 monthly plans and instant self-service management.

## Plan Options

1. **P.A.Y.G Plan ($0.00/month)**:
   - Pay only for the calls you make.
   - Unlimited concurrent calls / channels.
   - Ideal for businesses with low to variable call volumes.
2. **Crackers Plan ($35.00/month)**:
   - Includes generous call pack inclusions.
3. **Crazy 5 Plan ($149.00/month)**:
   - Designed for high-volume offices with multi-channel requirements.

## Features

- Compatible with 3CX, FreePBX, Asterisk, Yeastar, Microsoft Teams, and FusionPBX.
- Free number porting (single DIDs, 100-number ranges, 1300/1800).
- Multiple redundant Points of Presence across Australia and overseas.
- Instant setup in under 60 seconds.

Activate your trunk at https://myaccount.crazytel.com.au/signup/