Vodafone have confirmed they have issue under control and are working to prevent a recurrence.
Posted Apr 14, 2021 - 15:56 NZST
Monitoring
Modica have reported that the problem stopped occurring at 12:58 NZST (00:58 UTC) but they will continue to monitor the situation while waiting for confirmation from Vodafone that the issue has been resolved completely.
Posted Apr 14, 2021 - 14:24 NZST
Investigating
Text messages sent to vodafone subscribers may be failing.