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

Cisco Unified Communications:
-Upgrade L00ATLCEXP00E and L00ATLCEXP00C to X8.11.4 (Cisco Jabber)
***Possible Impact: Cisco Jabber server upgrades will occur. Customers may experience a brief loss in connectivity with their Jabber Clients.
-Virtualize ATL Voice-EX1 and Voice-EX2 servers
***Possible Impact: Some customer on Cisco Call Manager may not be able to access their voicemail messages. No messages will be lost.

Clarity Connect:
-Increase Resources for Clarity Servers CT9SLCCCP21-24, CT9SLCCCM21-22, & L00SLCSQL07-08
***Possible Impact: Customers will need to sign back into the web application.

CallTower Managed Infrastructure and Circuits at the UT Data Center:
-Production Backbone Router Move
***Possible Impact: Customers using Skype For Business, Cisco, Clarity connect, and CallTower Connect may experience a brief connectivity issue with disconnection and re-connection of their services.
Posted on Dec 7, 13:25 MST

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

CallTower Managed Infrastructure STL Data Center:
-Switch to new STL Perimeta
***Possible Impact: There will be between 15 and 60 minutes where the STL Perimeta will be unavailable. Some customers may experience a service disruption.

Yealink Phone Firmware Upgrade:
-Add new Yealink EPP Firmware for T2X, T4X, and T5X Model Phones
***Possible Impact: Some Yealink phones will reboot during the firmware upgrade.
Posted on Dec 7, 14:17 MST

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

CallTower Manageed Infrastructure ATL Data Center:

-Hardware Upgrade ATL DC (Metaswitch)
***Possible Impact: Customers may experience outages of up to 30 minutes while services are migrated to the new hardware.
Posted on Dec 7, 14:19 MST