CallTower Status

All Systems Operational

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 Operational
Microsoft 365 Operational
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

Scheduled Maintenance Mar 20, 2026 22:00 - Mar 21, 2026 04:00 MDT

Purpose: Patching and preventative maintenance on multiple systems.
Systems Affected:

Fax:
-MasterFax and CT Cloud Fax - General Server Maintenance
***Possible Impact: Customers will experience interruptions to both MasterFax and CT Cloud Fax services during the Maintenance Window

Cisco:
-Update mra.ct450.com and mra02.ct450.com Latest Release
***Possible Impact: Cisco Edge Phones: CallTower will be loading a Public Certificate to all Edge servers for mra.ct450.com and mra02.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 Mar 13, 2026 - 11:32 MDT
Mar 13, 2026

No incidents reported today.

Mar 12, 2026

No incidents reported.

Mar 11, 2026

No incidents reported.

Mar 10, 2026

No incidents reported.

Mar 9, 2026

No incidents reported.

Mar 8, 2026

No incidents reported.

Mar 7, 2026

No incidents reported.

Mar 6, 2026

No incidents reported.

Mar 5, 2026

No incidents reported.

Mar 4, 2026

No incidents reported.

Mar 3, 2026

No incidents reported.

Mar 2, 2026
CT Cloud Communicator Mobile Inbound calls, Outbound calls, and Login Issues
Resolved - CallTower Support has received positive confirmation from affected customers, and the CT Cloud Communicator Mobile issue is considered resolved.

CallTower will be closing this master case and all associated cases. Within three business days, an Official Root Cause Analysis (RCA) or a Preliminary RCA will be available and provided to customers upon request.
Mar 2, 13:15 MST
Monitoring - Based on vendor guidance, CallTower Engineering completed a configuration change designed to address the CT Cloud Communicator Mobile issue. CallTower Support will continue to monitor the environment to confirm the issue is fully resolved.

CallTower has opened a master case for this issue as it is affecting more than one CallTower customer. This issue may or may not directly affect your services. If you are affected, please report the issue to support@calltower.com. CallTower intends to post updates on status.calltower.com approximately every 30 minutes, unless identified otherwise.
Mar 2, 12:37 MST
Update - CallTower Engineering continues to partner with the vendor on log and diagnostic review. The issue has been isolated to an affected system, and investigation is ongoing.

CallTower has opened a master case for this issue as it is affecting more than one CallTower customer. This issue may or may not directly affect your services. If you are affected, please report the issue to support@calltower.com. CallTower intends to post updates on status.calltower.com approximately every 30 minutes, unless identified otherwise.
Mar 2, 11:32 MST
Update - CallTower Engineering remains engaged with the vendor and is providing logs and diagnostic information as part of the ongoing resolution process.

CallTower has opened a master case for this issue as it is affecting more than one CallTower customer. This issue may or may not directly affect your services. If you are affected, please report the issue to support@calltower.com. CallTower intends to post updates on status.calltower.com approximately every 30 minutes, unless identified otherwise.
Mar 2, 10:56 MST
Identified - The issues affecting CT Cloud Communicator Mobile have been identified as vendor-related. CallTower engineers are actively working with the vendor to determine and implement a resolution.

CallTower has opened a master case for this issue as it is affecting more than one CallTower customer. This issue may or may not directly affect your services. If you are affected, please report the issue to support@calltower.com. CallTower intends to post updates on status.calltower.com approximately every 30 minutes, unless identified otherwise.
Mar 2, 10:25 MST
Investigating - CallTower Support is actively investigating multiple reports of inbound and outbound call failures and login issues with CT Cloud Communicator Mobile but has not identified/confirmed there is an issue on our network or with our services.

CallTower has opened a master case to investigate this issue as it has been reported by more than one CallTower customer. This issue may or may not directly affect your services and is currently under investigation. If you are affected, please report the issue to support@calltower.com. CallTower intends to post updates on status.calltower.com approximately every 30 minutes, unless identified otherwise. This issue is being investigated as a top priority.
Mar 2, 09:52 MST
Mar 1, 2026
Out-Of-Cycle Maintenance
Completed - The scheduled maintenance has been completed.
Mar 1, 23:00 MST
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Mar 1, 21:00 MST
Scheduled - Purpose: Patching and preventative maintenance on multiple systems.
Systems Affected:

CT Cloud Voice:
-CT Cloud Maintenance - March 2026
***Possible Impact: New calls may fail to set up while services are failed over during maintenance. Calls in progress will not be affected.
Downtime will be 30 seconds or less.
Feb 27, 10:33 MST
Feb 28, 2026

No incidents reported.

Feb 27, 2026

No incidents reported.

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