Science & Tech · Big Tech & Internet · 2 hrs ago
Telstra MessageBank glitch sends delayed call and voicemail alerts
Telstra customers across Australia received delayed missed-call and voicemail alerts all at once, even when their phones had not rung.
Telstra said a technical issue with its MessageBank service caused the notifications.
Some customers received many alerts, and the burst led to speculation online that the company had been hacked.
Telstra said the incident was not a hack and that the service issue had been fixed.
The company said emergency calls, voice calls and mobile data were unaffected.
Telstra said it did not expect further delayed alerts, though some customers reported receiving notifications after the fix was announced.
Telstra said a MessageBank technical issue caused delayed missed-call and voicemail notifications to arrive together.
The company said the issue had been fixed and was not a hack.
Some customers reported receiving many notifications despite their phones not ringing.
Telstra said triple-0 calls, voice calls and mobile data were not affected.
At 6.40pm AWST Wednesday, a spokesperson said no further delayed notifications were expected.
- Who
- Telstra customers received delayed missed-call and voicemail notifications.
- What
- A MessageBank issue sent notifications late, causing them to arrive together.
- When
- Wednesday, November 4, 2026. Telstra said the issue was fixed by 5.45pm AWST.
- Where
- Across the country, according to The West Australian.
- Why
- Telstra attributed the notifications to a technical issue with its MessageBank service.
Social media users speculating about a hack
Telstra
Cause of the notifications
Social media users speculating about a hack
Some users speculated on social media that Telstra had been hacked.
Telstra
Telstra said the incident was a technical issue, not a hack.
Telstra said an issue with its MessageBank service caused delayed missed-call and voicemail notifications.
Telstra said the issue had been resolved.
A Telstra spokesperson said the company did not expect customers to receive further delayed notifications.
- Service
- MessageBank
- Resolution time
- 5.45pm AWST Wednesday
- Customer reports
- Some said they received up to 100 notifications
- Services unaffected
- Triple-0 calls, voice calls and mobile data
- Further notifications
- Not expected after 6.40pm AWST Wednesday
3 sources
What people are saying
We experienced an issue with our MessageBank service earlier today, which has now been fixed
We are aware of some customers receiving a number of delayed missed call and voicemail notifications arriving all at once
This is due to an issue with our MessageBank service earlier today, which has now been fixed
We are sorry for how confusing this must be.