Microsoft Exhcange Outage

Incident Report for CallTower

Monitoring

CallTower is affected by the current Microsoft Exchange outage EX1550543 and MO1550821. If you are having trouble reaching CallTower Support through email, please reach out to us via our Support Portal or through Chat, both of which can be found on our website: CallTower.com. You can also reach us by phone using our support numbers below.

US/CA: +1 (800) 347-5444
UK: +44 28 7114 1664
AUS: +61 2 7912 4099
Posted Nov 12, 2026 - 12:51 MST
This incident affects: Microsoft (Microsoft 365).
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