Scheduled maintenance is currently in progress. We will provide updates as necessary.
Posted Jan 23, 2026 - 22:00 MST
Scheduled
Upgrade collaborate.ct450.com to V15.3.2
Purpose: Upgrade of collaborate.ct450.com which is 15.3 to 15.3.2 . According to Cisco there are bug fixes that are addressed
Systems Affected: *Cisco Jabber
Impact: Calltower will be upgrading the Edge servers for Jabber. Users will experience a connectivity loss with their Jabber Client/Services.
Outage: Yes
Regen CUPs Server Certs Clusters 00,02 and 10
Purpose: Calltower will be updating certificates for the CIsco CUPS servers for Jabber.
Systems Affected: *Cisco Jabber
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: No
HCS Server Certificate Renewal - Reboot
Purpose: Server Reboots of the HCS Cisco Unified Communications Manager will occur.
Systems Affected: *Cisco Call Manager - HCS
Impact: User phones 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 MasterFax & CT Cloud Fax - General Server Maintenance
Purpose: Monthly server maintenance: remove old/stuck faxes, reboot servers
Systems Affected: *MasterFax & CT Cloud Fax
Impact: Customers will experience interruptions to both MasterFax and CT Cloud Fax services during the Maintenance Window
Outage: Yes
Posted Jan 16, 2026 - 10:17 MST
This scheduled maintenance affected: Cisco Unified Communications (Cisco Voice, Cisco Jabber) and Fax (CT Cloud Fax).