Outage in CM.com

MSC - Mobile Service Cloud - Service Interruption

Minor

April 01, 2026 - Started about 2 hours ago
Official incident page

Incident Report

We've received reports of customers not having audio for calls, or one-way audio, as a result of faulty firewall configuration. As a quick fix, for those affected, you can whitelist the below: 85.119.48.0/21 31.169.56.0/21 188.94.184.0/22 UDP port range 10.000 - 60.000 At a later point, our support team will advise further on how to set up your firewall for WebRTC (used Native Voice in Service Cloud, Teams, Slack) to still function properly, irrespective of IP changes

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Latest Updates ( sorted recent to last )

INVESTIGATING about 2 hours ago - at 04/01/2026 08:02AM

We've received reports of customers not having audio for calls, or one-way audio, as a result of faulty firewall configuration. As a quick fix, for those affected, you can whitelist the below:

85.119.48.0/21
31.169.56.0/21
188.94.184.0/22

UDP port range 10.000 - 60.000

At a later point, our support team will advise further on how to set up your firewall for WebRTC (used Native Voice in Service Cloud, Teams, Slack) to still function properly, irrespective of IP changes

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