Number spoofing occurs when a caller deliberately falsifies the caller ID displayed to the recipient. This is used in scam and fraud calls.
How Spoofing Works
VoIP technology allows the SIP From header to be set to any number. Scammers exploit this to impersonate banks, government agencies, or your own number. Spoofed calls often appear in your CDR as missed calls from your own number.
Is Your Number Being Spoofed?
If customers are calling you back after receiving calls you didn't make, your number may be spoofed. This is not a security breach of your VoIP account — your account is not compromised. The scammer is simply using your number in the CLI field of unrelated calls.
What PC Madness VoIP Does
We validate outbound CLI — you can only send calls with a CLI matching a number assigned to your account. This prevents your VoIP service from being used to spoof others. We also participate in ACMA's Reducing Scam Calls code.
Reporting Spoofing
Report number spoofing to the ACMA (acma.gov.au/report-scam-number). If you're receiving spoofed calls to your VoIP line, enable anonymous call blocking in your Call Flow Designer by routing calls with no CLI to a rejection or announcement node.
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VoIP lets you make calls over the internet instead of traditional phone lines — clearer calls, more features, and significantly lower costs.
Most customers are live within 1–2 business days. Number porting typically takes 5–10 business days.
No hardware required. Our Webphone App runs on Windows, Mac, iOS, and Android for free. Physical Yealink IP handsets are available from $129 inc GST.
Yes — 14-day free trial of our full Hosted PBX platform. No credit card required.
No. All plans are month-to-month. Add or remove users anytime, cancel anytime, no penalty.
Yes. Number porting transfers your existing landline, mobile, 1300, or 1800 number to us. Geographic numbers port within 5–10 business days.
Every plan includes IVR auto-attendant, ring groups, voicemail to email, call recording add-on, call flow designer, call transfer, and the Webphone App.
A SIP Trunk connects your existing on-premise PBX (3CX, Asterisk, FreePBX, etc.) to the public phone network via the internet — lower costs, more channels.
Our Perth team is available Monday–Friday, 8:00am–4:00pm AWST. Same business-day response by phone or email.
Yes — on-site in Perth metro. Remote screen-share support Australia-wide.
Approximately 80 Kbps per simultaneous call. A standard NBN connection handles dozens of concurrent calls easily.
Per user per month for Hosted PBX. PAYG plans bill per minute; Unlimited plans include all Australian local, national, and mobile calls.
Yes. The drag-and-drop Call Flow Designer lets you build IVR menus, time-based routing, and voicemail visually — no technical knowledge needed.
Yes. Our Microsoft Teams Direct Routing connects Teams to the PSTN so staff can make external calls inside Teams from $4.95/account/month.
SIP Trunks include disaster recovery failover — calls automatically divert to a backup number you specify.
Yes. All prices on this website include 10% GST. You receive a tax invoice each billing period.
No setup fees for Hosted PBX or SIP Trunks, and local geographic numbers activate free. 1300 and 1800 numbers carry a one-off $55 activation fee; virtual mobile numbers a one-off $22 fee.
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