Outage in CM.com
MSC - Mobile Service Cloud - Service Interruption
Resolved MinorIncident Report
Summary AI Generated
CM.com's Mobile Service Cloud experienced a 30.8-hour service interruption where customers reported having no audio or one-way audio during calls due to a faulty firewall configuration. A temporary workaround was provided by whitelisting specific IP ranges and UDP ports. The incident was fully resolved on April 2nd, 2026.
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
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Latest Updates ( sorted recent to last )
RESOLVED
28 days ago - at 04/02/2026 02:45PM
This incident has been resolved.
INVESTIGATING
29 days 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
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