A phone system that grows with your business
Fully hosted VoIP phone systems — no bulky hardware, no landline contracts. Just clear calls and the flexibility to add or move staff easily.
Everything your business needs to stay connected
📞 Phone System Essentials
Hosted VoIP setup
No on-site hardware to maintain — your phone system lives securely in the cloud.
Mobile & desktop apps
Take business calls from your phone or laptop, wherever you're working.
Call forwarding & routing
Calls go to the right person automatically, even across multiple locations.
Voicemail & auto-attendant
Professional greetings and voicemail-to-email, set up the way you want.
Call reporting
See call volumes and missed calls so you know what's actually happening.
Ongoing support
Adding numbers, extensions or staff is quick and handled for you.
🔢 Numbers & Inbound
Australian local numbers
Local area code numbers (02, 03, 07 etc.) so customers always see a familiar local number when you call.
1300 & 1800 inbound numbers
National inbound numbers — 1300 (shared cost) and 1800 (free for callers) to make your business look established.
SIP trunks for business
Connect your existing phone system or PBX to the cloud with reliable, scalable SIP trunks.
📲 Mobile & Messaging
Virtual mobile numbers
A dedicated Australian mobile number that rings through your VoIP system — no separate SIM needed.
SMS text message services
Send and receive SMS through your business number — ideal for appointment reminders and customer follow-ups.
Mobile SIM-only plans (4G)
Australian 4G mobile SIM plans for staff — managed alongside your business phone system through one provider.
Cost-effective, flexible, and built to scale
Lower running costs
No expensive hardware contracts — just a system that scales with your team.
Work from anywhere
Staff can take business calls from home, the office, or on the road.
Managed for you
Need to add a number, change an extension or onboard a new staff member? Just ask — we handle all system changes on your behalf, so you're never left figuring it out yourself.
Phones & adapters we recommend and install
We install and configure quality hardware from trusted brands — so your phone system sounds great and runs reliably from day one.
Desk Phones & ATA Adapters
GRP2613 Desk Phone
6-line carrier-grade IP phone with colour LCD, Gigabit ports, PoE and HD audio — our recommended business desk phone for most setups.
View product →HT801 ATA Adapter
Single-port analog telephone adapter — converts existing analogue phones or fax machines to work over VoIP without replacing your hardware.
View product →Analogue to VoIP Conversion
Already have analogue phones you'd like to keep? We use Grandstream ATA adapters to connect them to your new VoIP system — no new handsets required.
Prime Business Phones
T53 & T53W Business Phone
Our recommended Yealink entry point — adjustable 3.7" display, HD audio, Gigabit Ethernet and PoE support. T53W adds built-in Wi-Fi and Bluetooth.
View product →Higher Tier Yealink Models
Need more lines, a larger screen or advanced features? We also install the T54W, T57W and T58A for busier desks and reception areas.
View full range →Not sure what you need?
We assess your setup and recommend the right hardware for your team size and budget — no upselling, just honest advice.
Book a free chat →Sign up through our partner link
Use the link below to create your CrazyTel account — signing up through our partner link means your account is fully managed by Younes One Technology. We handle setup, configuration, billing changes and ongoing support on your behalf.
You'll be taken to the CrazyTel portal — your account
will be linked to our management dashboard.
Backed by leading Australian telecoms technology
Channel Partner
Authorised CrazyTel channel partner — we provision and manage hosted PBX, SIP trunks, virtual mobile numbers and SMS services on your behalf.
Ready to upgrade your phone system?
Free, no-obligation chat about what would work best for you.