Elastic SIP Trunking | Large UDP messages not reaching Telnyx causing call failures.

Incident Report for Telnyx

Resolved

This incident has been resolved.

Posted Nov 29, 2021 - 23:07 UTC

Update

All teams from both Telnyx and Cloudflare remain actively engaged in resolving this issue. Additional monitoring has been deployed to assist in the investigation. Telnyx will continue to post updates here as our teams continue to investigate.

Posted Nov 23, 2021 - 14:37 UTC

Identified

We've identified that some UDP inbound packets are being dropped by our DDoS mitigation provider Cloudflare due to UDP packets being above MTU size. We are able to reproduce the issue and currently working with Cloudflare DDoS engineers to troubleshoot and mitigate the issue

Posted Nov 22, 2021 - 21:17 UTC

Investigating

We are currently investigating this issue.

Posted Nov 22, 2021 - 19:36 UTC

This incident affected: SIP Trunking - Signaling Regions (US, Europe, Australia, Canada).