- Suspicious
Community report for 03 9003 4531 (0390034531): One contributor received a silent call with background noise followed by hang-up.
Silent Call Reports for 03 9003 4531
One contributor has reported receiving a silent call from 03 9003 4531 (also written as 0390034531). When the call was answered, the contributor heard background noise and commotion before the caller disconnected. This pattern is characteristic of robocall or automated dialling systems testing active phone numbers.
What Happened on the Call
The contributor who answered 0390034531 described picking up to find chaos and noise on the line, with no intelligible speech. The caller then hung up immediately. This type of silent call with background noise often indicates an automated system or call centre operation detecting that a number is actively in use, which can lead to increased call volume targeting that number in future.
Silent Calls and Robocall Patterns
Silent calls from numbers like 03 9003 4531 typically serve one of two purposes: testing phone number validity for later targeting, or accidental connection from an automated dialling system. The background noise reported suggests a live call centre environment rather than a simple technical malfunction. Contributors who receive such calls from 03 9003 4531 should be aware that answering may flag their number as active to the caller's system.
What to Do If You Receive a Call from 03 9003 4531
If 0390034531 calls you:
- Do not: Stay on the line if you hear only silence or noise; do not press any buttons or make sounds that confirm your number is monitored
- Do: Let it go to voicemail if you don't recognise the number; hang up immediately if you answer and hear only silence; block the number if calls repeat
- Do: Consider not answering unknown numbers and checking voicemail instead
How to Report 03 9003 4531
If you receive unwanted calls from 03 9003 4531, you can report the number to Australian authorities:
- Australian Communications and Media Authority (ACMA) - acma.gov.au - handles complaints about unwanted calls and robocalls
- Do Not Call Register - donotcall.gov.au - register your number to reduce telemarketing and unsolicited calls
- Reverseau - contribute your own experience with 0390034531 to help other Australians identify this number
Help others by sharing your experience with (03) 9003 4531!
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What Our Users Reviewed
Picked up and it was chaos, lots of noise then they hung up
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WRITE A REVIEWFrequently Asked Questions
What is a silent call from 03 9003 4531?
A silent call from 03 9003 4531 occurs when the line connects but the caller either doesn't speak or hangs up after hearing background noise. The contributor who answered 0390034531 reported hearing chaos and noise before disconnection, which suggests an automated system or robocall operation testing whether the number is actively monitored.
Why do I keep getting calls from 0390034531?
Silent calls from 0390034531 may indicate your number has been flagged as active by an automated dialling system. When you answer a call from 03 9003 4531, it confirms your number is in use, which can increase the frequency of unwanted calls. Avoiding engagement (not pressing buttons, not speaking) may reduce future targeting.
Is 03 9003 4531 a scam?
The single report of 0390034531 describes a silent call rather than a scam attempt. However, silent calls are often used by robocall or call centre operations to verify active numbers. While not a direct scam, silent calls from 03 9003 4531 may be a precursor to spam or scam targeting. It's best to block the number.
Should I call back 0390034531?
No. Do not call back 03 9003 4531. Returning the call confirms your number is active and monitored, which can increase unwanted contact. Callback scams rely on this principle. If the call was important, they will leave a voicemail.
How do I block calls from 03 9003 4531?
On most Australian mobile phones, you can block 0390034531 by going to recent calls, selecting the number 03 9003 4531, and choosing 'block' or 'blacklist'. You can also add it to contacts and set the contact to silent/blocked. Check your phone's settings for call filtering options.
What should I do if 0390034531 calls multiple times?
If you receive repeated calls from 03 9003 4531, block the number immediately on your phone. Register your number on the Do Not Call Register at donotcall.gov.au to reduce unwanted contact. You can also report the number to ACMA at acma.gov.au if calls continue after blocking, and contribute to Reverseau to alert other Australians about this number.