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

OUT OF CYCLE MAINTENANCE Aug 16, 2026 22:00-23:00 MDT

CT Cloud Voice - Renew legacy SSL certs

Purpose: Renew legacy certs:

- userchat.appiaservices.com (SMS for CT Cloud Voice)
- userportal.appiaservices.com (Legacy CommPortal)

Systems Affected:
CT Cloud Voice users with SMS
Impact: - Users may need to log back into CT Cloud Communicator. Downtime will be 5 minutes or less while the new certificate is loaded.

Outage: Yes

We apologize for the short notice.

Posted on Aug 14, 2026 - 09:28 MDT

Scheduled Maintenance Aug 21, 2026 22:00 - Aug 22, 2026 04:00 MDT

Reboot Call Manager Environment

Purpose: Reboot all clusters and nodes inside clusters

Systems Affected:
Cisco Call Manager:

Impact: Server Reboots of the Cisco Unified Communications Manager will occur. Your phone will re-register to the next server in the Server list. Calls in progress 'should' remain up until the call has ended. Phone will most likely re register multiple times during the MW time. This is expected behavior

Outage: No

NOAM CT Cloud August 2026 maintenance

Purpose: Transfer CFS and EAS service for NOAM Meta from CHI to DAL

Systems Affected:
CT Cloud SIP and Voice

Impact: New calls attempted during service transfer may fail to setup, calls in progress will not be affected. Any failed calls should be re-tried.

Downtime will be 5 minutes or less while services are transferred to redundant servers for monthly maintenance. Impact: Jabber Clients will receive a Certificate Warning. Please be aware that this is expected behavior and all users will need to accept this before signing back in.

Outage: Yes

Posted on Aug 14, 2026 - 09:36 MDT

OUT OF CYCLE MAINTENANCE Aug 23, 2026 22:00-22:30 MDT

NOAM CT Cloud Voice - Test CommPortal and SIP PS failover

Purpose: Test failover between CT2CHIWAF01 and CT2DALWAF01

Systems Affected:
CT Cloud Voice

Impact: Users may need to log back into CommPortal and/or CT Cloud Communicator

Outage: Yes

Posted on Aug 14, 2026 - 09:38 MDT

OUT OF CYCLE MAINTENANCE Aug 31, 2026 20:00-20:30 MDT

MasterFax - Sunset End-of-Service ATAs (SN prefix: D)

Purpose: Sunset MP202B devices as prerequisite of future security update.
Systems Affected:
CT Cloud Fax (MasterFax)
Impact: Legacy MP202B ATAs will no longer be able to connect to our MasterFax servers after the maintenance window. If your ATA's serial number starts with "D" and you have not arranged temporary continued access through our Client Success team, please contact accountmanagement@calltower.com.

Outage: No

Posted on Aug 14, 2026 - 09:33 MDT

Aug 15, 2026

No incidents reported today.

Aug 14, 2026

No incidents reported.

Aug 13, 2026

No incidents reported.

Aug 12, 2026

No incidents reported.

Aug 11, 2026

No incidents reported.

Aug 10, 2026

No incidents reported.

Aug 9, 2026

No incidents reported.

Aug 8, 2026

No incidents reported.

Aug 7, 2026

No incidents reported.

Aug 6, 2026

No incidents reported.

Aug 5, 2026

No incidents reported.

Aug 4, 2026

No incidents reported.

Aug 3, 2026

No incidents reported.

Aug 2, 2026

No incidents reported.

Aug 1, 2026

No incidents reported.