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NBN
Crazytel NBN Services
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Important Wi-Fi Calling iPhone Safety Update
Certain iPhone models need to be updated to the latest software version before 15 December 2026 to keep using Wi-Fi Calling on the Optus network. Find out which iPhone models are affected, how to update your software, and how to turn on Wi-Fi Calling.
CrazyAI Voice API - outbound AI phone calls, call modes, voicemail detection and pricing
CrazyAI Voice API lets Grok Bot, ChatGPT, Claude and booking systems place outbound AI phone calls on a PAYG Hybrid SIP Trunk. $0.0285/1k chars TTS, $0.0063/min STT, $0.1520/min agent, $0 unanswered.
"Unauthorised" on outbound calls using a verified caller ID
Why some outbound calls using Verified Caller IDs fail.
Premium Ring Groups
Premium Ring Groups distribute inbound calls to multiple members. They support simultaneous, sequential, circular, and longest-idle ringing, plus schedules, holiday routing, announcements, recording, transcription, AI insights, alerts, webhooks, and secure download links.
SMS Center - Getting Started
This guide covers the basics for Crazytel's new SMS Center; inbound setup, outbound setup, contact lists, opt-out lists.
CrazyPBX - Sign in to the Crazyphone App
This guide covers how to sign in to the Crazyphone application for Mobile or Desktop.
Latest Documentation
Recently published and updated articles across all products.
NBN® webhooks - event list, payload, signature and IP addresses to allow
Every NBN® webhook event with example JSON payloads and headers, how to verify the signature, retries, and the IP addresses to allow in your firewall for NBN® webhooks.
NBN® text messages and webhooks: choose how you get updates
Choose when Crazytel may text you about NBN® orders, appointments and faults, and send NBN® updates to your own systems, Slack or Microsoft Teams with webhooks.
NBN® usage and billing explained
Where to see NBN® data usage and charges, download usage, and what Charged, Estimates, Being checked and Critical Information Summary mean.
Report an NBN® fault and follow its progress
How to report an NBN® fault, the quick checks, outages, the no-fault-found fee agreement, and how to follow and update a fault report.
Checks you can run on your NBN® connection
How to check, restart and test your NBN® connection on Diagnostics & Faults, and what checks like Line State, Loopback Test, NTD Status and Port Reset mean.
Line stability on NBN® FTTN and FTTB: fewer dropouts
What line stability is on NBN® FTTN and FTTB copper connections, the Standard, Stable and Repair settings, and how to change it to reduce dropouts.
Add or remove a static IP address on NBN®
CGNAT comes standard on Crazytel NBN®. Learn who needs the optional static IP add-on and how to add or remove it.
Suspend, resume, disconnect or remove an NBN® connection
How to pause (suspend) and resume NBN® internet, disconnect now or on a later date, cancel a scheduled disconnection and permanently remove a connection.
Move house with your NBN® connection
How to move your Crazytel NBN® internet to a new address, choose a plan there and pick when the old address disconnects.
Upgrade your NBN® connection to full fibre
How to upgrade an FTTN or FTTC NBN® connection to full fibre (FTTP): who can get it, the steps, the technician visit and the 12 month keep rule.
Change your NBN® plan now or on a later date
How to change to a faster or cheaper NBN® plan, schedule a change for a later date, cancel a scheduled change, and what the Upgrade options badges mean.
Track your NBN® order, technician visit and NBN® box delivery
Follow your NBN® order: order steps, NBN® box delivery, activating the box, technician visits, rescheduling, site contact, withdrawing and retrying an order.