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

Cisco Unified Communications:
-Reboot CUPs Servers CL 00,01,02,04,07,08 and 10
***Possible Impact: Cisco/Jabber - Server Reboots will occur. Customers will experience a brief loss in connectivity with their Jabber Client/Services.
-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.
-Upgrade Remaining Expressway Servers to X8.11.4
***Possible Impact: Cisco/Jabber/Edge Phones - Server upgrades will occur, customers may experience a brief loss in connectivity with their Jabber Clients and/or Edge Phones.
-Update Certificate for mra.ct450.com
***Possible Impact: Cisco Edge Phones - Server upgrades will occur, customers may experience a brief loss in connectivity with their Edge Phones.
Clarity Connect:
- Apply Clarity November CU
***Possible Impact: Clarity Connect - The Clarity dashboard will be periodically unavailable, this will not affect calls.
Yealink Phones:
- Yealink Support Firmware Release 66.9.0.66
***Possible Impact: Yealink phone's on our Provisioning Service will be updated and rebooted.
Polycom Phones:
-Polycom VVX Firmware Release 5.7.4
***Possible Impact: Polycom Phones will be updated to Firmware Release 5.7.4
This firmware will enable Manual Pairing mode with BTOE version 3.7.0. it also provides a variety of bug fixes. Customers Running BTOE Version 2.3. or lower will no longer be able to use manual pairing mode and should upgrade to BTOE version 3.7.0 or 3.7.5
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 reconnection of their services.
-SLC/DC Production Equipment Power Audit & Power Plug Move
***Possible Impact: Customers from Cisco/Skype could see a brief disconnect and re-connect of their clients or phones.
Posted on Jan 14, 07:47 MST

Masterfax:
-Masterfax - Database migrations
***Possible Impact: Masterfax services will be intermittently available during maintenance window
Posted on Jan 18, 14:55 MST