# 3CX Certified SIP Trunks | Crazytel

> Canonical URL: https://crazytel.com.au/business/siptrunks/3cx/

Crazytel certified 3CX SIP Trunks deliver seamless compatibility, instant template configuration, and rock-solid Australian voice termination for 3CX Phone System deployments.

## Why Crazytel for 3CX

- Certified 3CX VoIP Provider with built-in provider template in 3CX management console.
- Instant automated trunk provisioning with copy-paste SIP credentials or IP authentication.
- Unlimited simultaneous channels on Pay-As-You-Go plan.
- Free inbound porting for all existing Australian telephone numbers.
- Compatible with on-premise, self-hosted (Linux/Windows/Cloud), and hosted 3CX instances.

Sign up at https://portal.crazytel.com.au/signup/