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Outage in Webex by Cisco

Webex Calling: Administrators are experiencing failures with phone provisioning

Resolved Minor
July 21, 2026 - Started about 23 hours ago - Lasted about 4 hours

Incident Report

Summary AI Generated

Webex Calling experienced a 4-hour provisioning outage where administrators were unable to add new phones via Webex Control Hub, and existing phones that were restarted or factory reset failed to provision. Additionally, users who signed out of the Webex App encountered disconnected Calling services and failures when attempting to reconnect after signing back in. Engineering identified and remediated the issue, with services fully restored and under continued monitoring as of July 21, 2026.

Engineering is investigating an issue impacting Webex Calling phone provisioning. Administrators attempting to add a new phone to Webex Control Hub are experiencing failures, as the new phone is not being provisioned. Existing phones that have been restarted or factory reset are also not being provisioned. We will provide the next update in one hour or sooner if new information becomes available. We are working to restore services and apologize for the inconvenience this may cause.

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Latest Updates ( sorted recent to last )
MONITORING about 19 hours ago - at 07/21/2026 12:31PM

Engineering has completed remediation activities and services are now restored.

We will continue to monitor to ensure service stability.

IDENTIFIED about 20 hours ago - at 07/21/2026 11:21AM

Engineering has identified the issue and is currently working towards service restoration. We will continue to monitor the situation closely and provide the next update within one hour or sooner if significant progress occurs.

Thank you for your continued patience as we address this service incident.

INVESTIGATING about 21 hours ago - at 07/21/2026 10:56AM

Our teams remain fully engaged as we continue to investigate this issue. We will provide the next update in two hours or sooner if new information becomes available.

We appreciate your patience while we work to restore services and apologize for the inconvenience this may cause.

INVESTIGATING about 22 hours ago - at 07/21/2026 10:02AM

Engineering continues to investigate. In addition to the previously reported impact, they have found that users who completely sign out of the Webex App may observe that the Webex Calling phone service is disconnected after they sign back in and may experience failures when reconnecting to phone services.

We appreciate your patience as we work to restore services.

INVESTIGATING about 23 hours ago - at 07/21/2026 08:40AM

Engineering is investigating an issue impacting Webex Calling phone provisioning. Administrators attempting to add a new phone to Webex Control Hub are experiencing failures, as the new phone is not being provisioned. Existing phones that have been restarted or factory reset are also not being provisioned. We will provide the next update in one hour or sooner if new information becomes available.

We are working to restore services and apologize for the inconvenience this may cause.

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