Outage in CallTower

US Webex Customers experiencing call quality degradation, or call failures

Resolved Minor
July 29, 2025 - Started 5 days ago - Lasted about 2 hours
Official incident page

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Outage Details

Cisco has announced they are continuing to experience a network event similar to the one they had Yesterday, 7/29/2025. The issue may cause media quality degradation for some Webex Calling users and Webex Contact Center agents in the US region. Additionally, some provisioning tasks and emergency calls may fail, and some Cisco Calling Plan services may experience failures as well.
Components affected
CallTower Cisco Voice
Latest Updates ( sorted recent to last )
RESOLVED 5 days ago - at 07/29/2025 05:16PM

Cisco's Engineering team has completed mitigation efforts and Cisco reports all services are now fully operational

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.

INVESTIGATING 5 days ago - at 07/29/2025 04:09PM

Cisco has announced they are continuing to experience a network event similar to the one they had Yesterday, 7/29/2025. The issue may cause media quality degradation for some Webex Calling users and Webex Contact Center agents in the US region. Additionally, some provisioning tasks and emergency calls may fail, and some Cisco Calling Plan services may experience failures as well.

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