Customers may experience audio degradation

Update timeline

1. investigating Apr 29, 2026, 04:36 PM UTC

   We are currently urgently investigating reports of intermittent audio degradation audio while on calls. This is being treated as a Priority 1 incident and work is ongoing to resolve.

2. investigating Apr 29, 2026, 06:56 PM UTC

   Our investigation and examination remains ongoing, and we are still treating this as a priority event, and have engaged several external partners in addition to our own Engineering and Carrier teams.

3. monitoring Apr 29, 2026, 11:45 PM UTC

   We continue to monitor this issue and are working closely with our providers and carriers. There have been no fresh reports submitted for multiple hours at this point. We are not yet ready to state this as resolved however, until a longer monitoring phase has been completed.

4. resolved Apr 30, 2026, 03:03 PM UTC

   After appropriate monitoring and morning checks, we are satisfied that this issue has now been resolved. There will be an RFO issued to reporting clients in due course. Thank you for your patience as this issue was worked through.