Outage in Webex by Cisco

Webex Calling: Users in the US region utilizing PSTN for audio may experience intermittent disconnections

Resolved Minor

August 03, 2025 - Started 10 months ago - Lasted about 3 hours

Incident Report

Engineering is investigating an issue that may cause a small subset Webex Calling users in the US region using PSTN to experience intermittent inbound and outbound call failures. The issue is intermittent and retries may work. Impact to emergency services may also experience disruptions. We are working towards service restoration and apologize for any inconvenience this may cause.

Components affected

Webex by Cisco Webex Calling

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Latest Updates ( sorted recent to last )

MONITORING 10 months ago - at 08/04/2025 04:34AM

Engineering has completed mitigation activities. Services are now operational. We will monitor to ensure service stability.

IDENTIFIED 10 months ago - at 08/04/2025 04:03AM

Upon further investigation engineering has confirmed that the outbound calls to Emergency 911 services is not impacted. We will continue to provide updates as they become available.

We appreciate your patience while we address this service incident.

IDENTIFIED 10 months ago - at 08/04/2025 02:38AM

Engineering has identified the issue and working on a fix to restore services. We will continue to provide updates as they become available.

We appreciate your patience while we address this service incident.

INVESTIGATING 10 months ago - at 08/04/2025 02:33AM

Engineering is investigating an issue that may cause a small subset Webex Calling users in the US region using PSTN to experience intermittent inbound and outbound call failures. The issue is intermittent and retries may work. Impact to emergency services may also experience disruptions.

We are working towards service restoration and apologize for any inconvenience this may cause.

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