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 May 15, 2026 22:00 - May 16, 2026 04:00 MDT

Cisco:
- Update mra.ct450.com and mra-02.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.

Outage: No

Webex:
- car1.lon & car1.fra cleanup
***Possible Impact: Webex customers may experience brief interruption of active calls when changes are made

Outage: No

Fax:
- MasterFax - Isolate MP202B traffic
***Possible Impact: Some MasterFax ATAs may experience a brief interruption as devices reconnect to our Fax Servers during the Maintenance Window

Outage: Yes

ATL Meta Customers:
- ATL Meta - May 2026 maintenance
***Possible Impact: New calls may fail to setup while services are failed over during maintenance. Calls in progress will not be affected. Downtime will be 30 seconds or less.

Outage: Yes

CT Cloud Communicator:
- CT Cloud Communicator Mobile 3.21.61
***Possible Impact: CT Cloud Communicator Mobile users will be forced to upgrade to v3.21.61 to continue using the application.

As a reminder, users currently using CTCC mobile pre-3.21.61 must perform a one-time manual upgrade, or in-app upgrades will fail. Additional information about this is available in uc.solutions.

Outage: No
Posted on May 08, 2026 - 09:22 MDT
May 12, 2026

No incidents reported today.

May 11, 2026

No incidents reported.

May 10, 2026

No incidents reported.

May 9, 2026

No incidents reported.

May 8, 2026

No incidents reported.

May 7, 2026

No incidents reported.

May 6, 2026

No incidents reported.

May 5, 2026

No incidents reported.

May 4, 2026

No incidents reported.

May 3, 2026

No incidents reported.

May 2, 2026

No incidents reported.

May 1, 2026

No incidents reported.

Apr 30, 2026

No incidents reported.

Apr 29, 2026
Five9 Service Degradation – Call Performance and Connectivity Issues
Resolved - CallTower Support has confirmed resolution of the Five9-related issues that were impacting call delays, audio issues, browser speed, and connection issues to Five9. The issue was addressed in coordination with Five9 Engineering, and services are operating normally at this time.

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.
Apr 29, 12:59 MDT
Investigating - CallTower Support has received reports of issues impacting some Five9 customers. Users may experience call delays, Audio issues, intermittent slow browser speed, and connection issues to Five9. CallTower support is currently investigating with Five9 engineering to mitigate and resolve these issues.

*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 60 minutes, unless identified otherwise. This issue is being investigated as a top priority.
Apr 29, 11:22 MDT
Apr 28, 2026

No incidents reported.

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