Outage in CallTower

Five9 Inbound/Outbound Call Failures

Resolved Major
September 04, 2025 - Started 9 days ago - Lasted 35 minutes
Official incident page

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Outage Details

Identified: CallTower Support has received reports of inbound and outbound call failures with Five9. We are actively working with Five9 to investigate and mitigate the issue. In the meantime, we ask customers experiencing this issue to retest their calls. CallTower has opened a master case for this issue as it is affecting more than one CallTower customer. This issue may or may not directly affect your services. If you are affected, please report the issue to support@calltower.com. CallTower intends to post updates on status.calltower.com approximately every 30 minutes, unless identified otherwise.
Components affected
CallTower Five9
Latest Updates ( sorted recent to last )
RESOLVED 9 days ago - at 09/04/2025 09:45PM

Resolved: CallTower Support has confirmed with Five9 as well as multiple customers that the issue is now resolved.
CallTower will be closing this master case and all associated cases. If you continue to experience any problems, please contact CallTower Support at 800-347-5444 or support@calltower.com

IDENTIFIED 9 days ago - at 09/04/2025 09:30PM

Identified: CallTower Support has received reports of inbound and outbound call failures with Five9. We are actively working with Five9 to investigate and mitigate the issue. In the meantime, we ask customers experiencing this issue to retest their calls.

CallTower has opened a master case for this issue as it is affecting more than one CallTower customer. This issue may or may not directly affect your services. If you are affected, please report the issue to support@calltower.com. CallTower intends to post updates on status.calltower.com approximately every 30 minutes, unless identified otherwise.

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