Call Tower incident

intermittent call failures and One way audio.

Call Tower experienced a major incident on May 9, 2024 affecting Global SIP Trunk, lasting 41m. The incident has been resolved; the full update timeline is below.

Started: May 09, 2024, 04:02 PM UTC
Resolved: May 09, 2024, 04:43 PM UTC
Duration: 41m
Detected by Pingoru: May 09, 2024, 04:02 PM UTC

Affected components

Global SIP Trunk

Update timeline

investigating May 09, 2024, 04:02 PM UTC

Investigating: CallTower has initiated master case 01343366 after identifying an issue where users are experiencing intermittent call failures and no audio during inbound calls. Our Voice Engineers have been engaged, and we are actively working to resolve this issue urgently. CallTower has opened a master case to investigate this issue as it has been reported by more than one CallTower customer. This issue may or may not directly affect your services and is currently under investigation. If you are affected, please report the issue to [email protected]. CallTower intends to post updates on status.calltower.com approximately every 60 minutes, unless identified otherwise. This issue is being investigated as a top priority.
resolved May 09, 2024, 04:43 PM UTC

Resolved: CallTower's Voice Engineers have implemented a solution to our routing in our NY Sansay location. We have confirmed with customers that the issue of one-way audio and intermittent call failures has been resolved. CallTower will be closing this master case and all associated cases. Within three business days, an Official Root Cause Analysis (RCA) or a Preliminary RCA will be available and provided to customers upon request.