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
Nov 12, 2026 - 12:51 MST
US/CA: +1 (800) 347-5444
UK: +44 28 7114 1664
AUS: +61 2 7912 4099
Nov 12, 2026 - 12:51 MST
About This Site
Welcome to CallTower's home for real-time system status updates. Here you will find a current and historical data on system performance.
Cisco Unified Communications
Operational
Cisco Voice
Operational
Cisco Jabber
Operational
VoiceCube
Operational
Attendant Console
Operational
Cisco Webex Calling
Operational
CT Text
Operational
CT Cloud
Operational
CT Cloud SIP
Operational
CT Cloud Voice
Operational
Attendant Console
Operational
CT Cloud Meeting
Operational
Microsoft
Partial Outage
Microsoft 365
Partial Outage
Microsoft Teams - Direct Routing
Operational
Microsoft Operator Connect
Operational
CT Text
Operational
Contact Center
Operational
Clarity Connect
Operational
Five9
Operational
Intermedia
Operational
Cisco Webex Contact Center
Operational
Solgari
Operational
Global SIP Trunk
Operational
Hosted Cloud Based PBX
Operational
Zoom
Operational
CallTower Connect
Operational
Fax
Operational
CT Cloud Fax
Operational
Concord E-Fax
Operational
Concord ATA Fax
Operational
eComFax
Operational
Skype for Business
Operational
Skype for Business - Voice
Operational
Instant Messenger and Presence
Operational
Attendant Console
Operational
WFM (Alvaria)
Operational
Talk Desk
Operational
Genesys Cloud
Operational
Genesys Cloud (US East)
Operational
Genesys Cloud (US West)
Operational
Genesys Cloud (Canada)
Operational
Genesys Cloud (FedRAMP)
Operational
Operational
Degraded Performance
Partial Outage
Major Outage
Maintenance
Scheduled Maintenance
Out-Of-Cycle Maintenance Nov 18, 2026 19:00 - Nov 19, 2026 01:00 MST
Purpose: Migrate Fax Account Management to Connect
Systems Affected: MasterFax & CT Cloud Fax
***Possible Impact: Customers will experience interruptions to both MasterFax and CT Cloud Fax services during the Maintenance Window
Posted on Nov 13, 2026 - 09:52 MST
Systems Affected: MasterFax & CT Cloud Fax
***Possible Impact: Customers will experience interruptions to both MasterFax and CT Cloud Fax services during the Maintenance Window
Posted on Nov 13, 2026 - 09:52 MST
Scheduled Maintenance Nov 20, 2026 22:00 - Nov 21, 2026 04:00 MST
Purpose: Update expressway for mra.ct450.com to latest build
Systems Affected: Cisco Edge Phones
***Possible Impact: CallTower will be upgrading Edge servers for mra.ct450.com . Phones are expected to be down for no more than a few minutes and should connect as usual once servers are restarted.
Posted on Nov 13, 2026 - 09:54 MST
Systems Affected: Cisco Edge Phones
***Possible Impact: CallTower will be upgrading Edge servers for mra.ct450.com . Phones are expected to be down for no more than a few minutes and should connect as usual once servers are restarted.
Posted on Nov 13, 2026 - 09:54 MST