New SIM-only mobile

Crazy 5G plans.
Now on Optus.

Bring your own phone and get 5G speeds up to 150Mbps. Calls and texts included, no lock-in contract and never any excess data charges.

From $25 per month

See the new plans Get a SIM

No lock-in contract
Free postage on your first SIM
Keep your number

20GB Crazy 5G $25 per month Most popular 50GB Crazy 5G $35 per month 100GB Crazy 5G $45 per month

Optus 5G network. 5G is not available in all areas; Optus 4G is used where 5G is not available.

Instant Setup Business SIP Trunking 3CX · FreePBX · VitalPBX

Connect your PBX to Crazytel SIP Trunking.

Enterprise-grade Australian SIP trunks for your on-premise or cloud PBX. Start on our 50c/month P.A.Y.G plan or unlimited bundles with free number porting and zero lock-in.

50 c / month min

50c/mo per SIP trunk on P.A.Y.G · $5 Free Sign-Up Credit
Unlimited plans from $20.50/mo · 1-second billing

Get Started Instantly View SIP Trunk Plans

Plans from 50c/month
Free Cat-A & Cat-C porting
No contracts

SIP Trunks Provision endpoints for your PBX or softphone

Registered

Office PBX Enabled · TLS / UDP

Username: 10285794
Caller ID: 07 3073 1555
SIP Domain: sip.biz.crazytel.net.au
Authentication: SIP Registration

Outbound Channels Unlimited (PAYG)

Caller ID Mode Fixed & Overstamp

Active PoPs SYD · MEL · BNE

Enterprise IP Trunk Static IP Whitelisted

PBX Static WAN IP: 203.19.44.118/32
DID Number Range: 07 3073 1500 - 1599
Peering Edge: sip.biz.crazytel.net.au
Transport: UDP / TCP / TLS (5060)

Porting 100-Range Free

Toll Fraud Guard Real-Time Active

NBN & Starlink Fully Ready

Realtime Divert on Down Auto Failover Armed

1
Primary On-Site PBX Deliver via sip.biz.crazytel.net.au

Primary
2
Backup PBX or Secondary IP Instant reroute if primary WAN drops

Failover 1
3
Mobile or Voicemail to Email Zero missed calls during outages

Safety Net

3CX FreePBX VitalPBX FusionPBX CrazyPhone

Explore SIP Trunks

NBN & Fibre Ready Residential VoIP Keep Your Number

Crystal-clear home phone plans from 50c/month.

Move your home phone to Crazytel and save up to 70% off your normal landline bill. Keep your existing number and plug in on the NBN or use our free CrazyPhone app.

50 c / month min

P.A.Y.G Home Phone · Free Cat-A Number Porting
Or choose $8/mo Craycray with unlimited local, national & mobile calls

Save up to 70%
Instant setup
No lock-in contracts

Home Phone VoIP Residential SIP trunk on NBN, Fibre & Starlink

Connected

Residential P.A.Y.G Plan 50c / Month Min

Monthly Trunk Fee: 50c / month
Local & National: 9c per untimed call
Australian Mobiles: 5c per minute
Number Porting: Free Cat-A Port-In

Avg. Bill Savings Up to 70%

Call Billing 1-Second Blocks

Redundancy 4x AU Core

Craycray Unlimited Home Most Popular Home

Monthly Plan Fee: $8.00 / month
Local & National: Unlimited Included
Australian Mobiles: Unlimited Included
13 / 1300 Numbers: 25c per call

Contract Month-to-Month

Keep Number Free Porting

Sign-Up Bonus $5 Free Credit

Easy Home Setup Options NBN Ready

1
Existing Home Handset (ATA) Plug your current cordless phone into a VoIP adapter

ATA / Router
2
VoIP DECT / IP Home Phone Register directly to sip.crazytel.net.au

HD Voice
3
Free CrazyPhone Mobile & Desktop App Answer your home landline anywhere on iOS/Android

Free App

NBN Opticomm Starlink VoIP ATA CrazyPhone

Home Phone Plans

Two-Way Messaging Business SMS Portal · REST API · Webhooks

Reach customers instantly with two-way Business SMS.

Send single or bulk SMS campaigns, schedule dispatches, and trigger automated messages via REST API, webhooks, or Email-to-SMS with zero monthly platform fees.

5 c / SMS segment

$0/month Platform Fee · Custom Alphanumeric Sender ID
Pay only for what you send · Dedicated Virtual Mobile Numbers available

Get Started Instantly Explore SMS Platform

From 5c/SMS
No monthly platform fees
Bulk & scheduled sending

SMS Gateway Two-way business messaging & developer API

Delivered

Web Portal & Bulk Campaigns 5c / Segment

Sender ID: CrazytelAU (Custom)
Platform Fee: $0.00 / month
Dispatch Mode: Instant & Scheduled
Compliance: Auto Opt-Out Lists

AU Carrier Route Direct Tier-1

Contact Merge CSV & Templates

Email-to-SMS Included Free

Programmable REST API & Hooks 200 OK · JSON

REST Endpoint: api.crazytel.io
Inbound Replies: Real-Time Webhook
Delivery Receipts: Live DLR Callbacks
Security: API Key & IP ACL

OpenAPI Spec crazytel.io/docs

Setup Cost $0.00

Unicode / Long Auto-Segmented

Dedicated Virtual Mobile Numbers 2-Way 04 DID

1
Dedicated Australian 04 Number Receive inbound SMS replies & voice calls on one number

Voice + SMS
2
Route Replies Anywhere Forward incoming texts to Portal, Email, Webhook, or App

$0 Inbound
3
CrazyPhone App Unlimited Pack Optional $4.95/mo unlimited AU SMS in CrazyPhone

Optional

Bulk SMS REST API Webhooks Email-to-SMS 04 VMNs

Explore SMS

Modular Cloud Voice Premium Features IVR · Queues · AI Transcription

Cloud voice add-ons that make your comms smarter.

Deploy AI voicemail transcription, Cloud IVR menus, Hunt & Ring Groups, Call Queues, and Compliant Call Recording on any Crazytel number from just $1/month.

$ 1 / month per module

No PBX Hardware Required · Free Email Alerts
Optional AI Transcription & Call Insights from 10c/minute

Get Started Instantly Explore Voice Suite

AI transcription
SMS & free email alerts
From $1/month

Crazytel Voice Suite Modular cloud call routing & AI voicemail inbox

Live Inbox

AI Voicemail to Email & SMS $1.00 / Month

Mailbox Base: $1.00 / month
AI Transcription: 10c / minute (Optional)
Email Delivery: Free Audio + Transcript
SMS Notification: 5c / SMS segment

Silent Calls $0 AI Charge

Setup Friendly Names

Greetings Upload or TTS

Cloud IVR, Ring Groups & Queues Modular Routing

Cloud IVR Menu: $1.00 / month
Ring & Hunt Groups: $1.00 / month
Call Queues: $1.00 / month
After-Hours: Schedule & Holiday Rules

Caller ID Verified Forward

SIP Knowledge None Required

Smart Routes Geo / Time Ready

Compliant Call Recording Box Dual-Channel

1
Compliant Consent Announcement Optional pre-call notice before recording starts

$1 / mo
2
AI Call Insights & Summaries Automatic speaker separation, sentiment & action items

AI Ready
3
Portal & Webhook Delivery Listen in MyAccount or push to your CRM automatically

Encrypted

Voicemail Cloud IVR Ring Groups Call Queues Recording

Explore Voice Suite

9 Active PoPs Global Network 6 Countries · Quad-Redundant

One of the most resilient VoIP networks in Australia.

Our multi-redundant carrier infrastructure spans 9 active Points of Presence across 6 countries, with automatic failover keeping your business calls online no matter what.

9 PoPs / 6 countries

Quad-Redundant Australian Core · <60s Auto Failover
Sydney, Melbourne, Brisbane, Perth + NZ, US, SG, PH & IN

Explore Our Network Get Started Instantly

9 active PoPs
Quad-redundant core
Failover in under 60s

Global Carrier Mesh Active Points of Presence & automatic failover

All Systems Online

Australia (4 Core PoPs) Sydney · Melbourne · Brisbane · Perth

New Zealand Auckland Edge PoP

Singapore Singapore APAC Hub

United States Los Angeles Edge PoP

Philippines Manila Low-Latency PoP

India Mumbai Edge PoP

Core Architecture 4x Active Mesh

Failover Window < 60 Seconds

Fraud Guard 24/7 Real-Time

SYD MEL BNE PER AKL SIN LAX

Network Status

SIPS Voice Gateway AI Bridge OpenAI · Vapi · Retell · Grok

Connect your numbers to AI voice agents.

AI Bridge routes Crazytel managed Australian phone numbers straight to leading AI voice platforms - OpenAI Realtime, Vapi, Retell, and Grok - without custom SBCs.

$ 0.0025 / min inbound

Direct SIPS & SRTP Bridging · $0.0050/min Outbound
Point any 02/03/07/08, 04, 1300 or 1800 number at your AI agent

Get Started Instantly Explore AI Bridge

From $0.0025/min inbound
SIPS & Secure SIP
OpenAI · Vapi · Retell · Grok

AI Bridge Managed DID to AI voice agent SIPS gateway

SIPS Connected

OpenAI Realtime & Grok Voice TLS 1.3 · SRTP

Inbound Bridge: $0.0025 / min
Outbound Bridge: $0.0050 / min
Target Project: proj_openai_sip
Transport: Encrypted SIPS (5061)

Custom SBC Not Required

Billing Increment Per Second

Call Transfer SIP REFER Ready

Vapi & Retell AI Telephony Direct Peering

Vapi / Retell URI: sip.vapi.ai
Australian DIDs: Local, 04, 1300 & 1800
Custom Headers: X-Assistant-ID
Channels: Elastic Concurrency

Latency Low-Jitter Edge

Caller ID Full Pass-Through

Provisioning 60s in Portal

Custom SIPS & Media Servers LiveKit / Pipecat

1
Any SIPS / TLS or SIP Endpoint Route to LiveKit, Pipecat, FreeSWITCH, or custom bots

SIPS / TLS
2
Automatic Codec & SRTP Negotiation Crazytel handles carrier media interop at the edge

G.711 / Opus
3
Human Escalation & Failover Transfer back to staff extensions or fallback numbers

Failover

OpenAI Vapi Retell Grok Custom SIPS

Explore AI Bridge

SIP + Cloud PBX Hybrid SIP Trunks Hold · Transfer · Webphone · AI

Office workflows on Hybrid SIP Trunks.

Hold, transfer, and internal extension calling on SIP - or run like a full cloud PBX. Built for real office workflows with browser Webphone, staff logins, and AI Call Insights.

$ 5 / month per trunk

SIP Trunk + Built-In Cloud Office Features
Includes browser Webphone, staff logins & optional AI Call Insights

Get Started Instantly Explore Hybrid SIP Trunks

Office call handling on SIP
Trunk or PBX-style use
Transcription & Call Insights

Hybrid SIP Trunk SIP trunk connectivity + cloud office call handling

Hybrid Live

Cloud Office Call Handling $5 / Mo Per Trunk

Call Control: Hold, Transfer & Park
Internal Dialing: Ext 101 -> 102 (Free)
Phonebook: Cloud LDAP & BLF
Music on Hold: Custom Audio Streams

On-Site PBX Not Required

IP Phones Auto-Provisioned

Outbound API CrazyAI Compatible

Browser Webphone & Staff Logins WebRTC Ready

Browser Webphone: Zero-Install WebRTC
Staff Portal: Individual Staff Logins
CrazyPhone App: iOS, Android, Win & Mac
Multi-Endpoint: Ring Desk + Mobile

QR Provision 1-Scan Setup

Call Forward Portal & Staff

Push Wake Zero Battery Drain

AI Call Insights & Live Webhooks Real-Time Events

1
Crazytel AI Transcription & Insights Full call transcripts, summaries, sentiment & action items

AI Insights
2
Slack, Teams, Discord & Google Chat Instant call & transcript notifications in team channels

Webhooks
3
Custom HTTPS CRM Webhooks Push structured JSON payloads to your CRM or workflow

JSON POST

Hold & Transfer Webphone Staff Logins AI Insights Webhooks

Explore Hybrid

Products & Solutions for Every Call, Text & Team

Carrier-grade cloud voice, programmable AI routing, Australian numbers, and 5G connectivity - provisioned in seconds with transparent AUD rates and zero lock-in.

Core Voice Infrastructure · Instant Setup

Cloud Phone Systems & SIP Trunking

Scale from a single SIP line to a multi-site cloud PBX or high-volume contact centre.

AI Voice & Programmable Routing

AI Agents & Smart Call Flows

Connect numbers to AI voice platforms, trigger outbound AI calls, and route dynamically.

Instant Automated Provisioning
Residential VoIP & Cloud Fax Available
Zero Lock-In Contracts

Home Phone Plans Virtual Fax International Rates Start Free Trial

All Systems Operational Carrier-Grade Core

A Global Network Like You've Never Seen...

We deploy premium local hardware nodes globally to guarantee ultra-low latency, outstanding call audio fidelity, and continuous zero-downtime reliability.

CrazyPBX cloud system SYD ↔ MEL Core

Double Redundant Network

Automatic instantaneous failover routing between Sydney & Melbourne datacentres.

SIP Trunking Nodes 6-Zone Active Mesh

Sextuple Redundant Network

Multi-zone routing coverage across Sydney, Melbourne, Brisbane, Perth, NZ, & Los Angeles.

Explore Our Network Live Network Status

Datacentres & Active Mesh

Sydney Voice Core

Melbourne Voice Core

Brisbane Signaling PoP

Perth Signaling PoP

New Zealand Tasman PoP

Los Angeles Int'l Gateway

<60s Auto Failover

6× SIP Zone Redundancy

24/7 Active NOC Monitoring

Why Choose Crazytel?

We are breaking standard industry norms to deliver ultra-modern, highly advanced technologies at premium pricing to the Australian market.

Instant Provisioning

All our HostedPBX and SIP Trunk communication systems feature fully automated, immediate setup.

100% Australian Owned

Gain absolute peace of mind knowing our operations are entirely local, owned, and run right here in Australia.

Connect Anywhere

On the move or travelling internationally? Access and operate our communication systems seamlessly from anywhere.

User-Friendly Settings

No advanced technical experience required. Our portals are custom engineered to be perfectly intuitive.

Zero Lock-In Contracts

We never tie you down with contracts. We believe in earning your loyalty purely by keeping you happy every single day.

Ready to Switch?

Upgrade to enterprise-grade communications without costing a fortune.

No Hardware Needed - Use Crazytel's Free Softphone

Skip bulky IP desk phones without compromising call quality. CrazyPhone runs natively on the mobile and desktop devices your team already uses, and works free out of the box with SIP Trunks, Hybrid SIP Trunks, and CrazyPBX.

iOS iPhone & iPad
Android Phones & Tablets
Windows Desktop App
macOS Desktop App

HD Global Calling Make and receive crystal-clear VoIP calls anywhere in the world with zero roaming fees.
Two-Way Business SMS Send and receive texts using Virtual Mobile Numbers, with optional $4.95/mo unlimited AU SMS.
Battery-Safe Push Alerts Free real-time push notifications wake your device for incoming calls without draining battery.
Instant QR Provisioning Scan your portal QR code to configure SIP trunks or CrazyPBX extensions in seconds.

Explore CrazyPhone App Store Google Play

CrazyPhone Ext 101 · 02 8000 1101

Registered

Alex Rivera · Sales HD Voice · 02:14 · Zero roaming

0412 555 310 · Inbound SMS "Thanks! Confirming our 2:00pm call today."

2-Way SMS
Cloud Push Wake Rings even when app is closed in background

Zero Drain

Scan Portal QR to Connect Auto-configures SIP Trunk, Hybrid or CrazyPBX

Instant

*CrazyPhone desktop and mobile apps work with all Crazytel SIP Trunk types and CrazyPBX extensions.