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[Software] Trio UC Software RevAC

Polycom Employee & Community Manager

[Software] Trio UC Software RevAC

Hello all,


we just released the Trio UC Software RevAC


  • Polycom® Trio UC Software 5.9.1 Rev AC ( for Trio 8300 and for Trio 8500/8800), with associated utilities and documents on the Polycom Trio product support web pages,>here< for download.


What is included in this release?      

  • This release of Polycom Unified Communications (UC) Software 5.9.1AB for the Poly Trio solution is for Open SIP, Microsoft Skype for Business, Microsoft Teams, and Zoom Room deployments and includes all the features of previous releases and important fixes.
  • Basic Authentication for One Touch Dial Exchange Services


Link to the previous Rev AB => here <=

Link to the previous Rev AA => here <=

The title Poly Employee & Community Manager is a community setting and does not reflect my role. I am just a simple volunteer in the community like everybody else. All posts and words are my own & do not represent the views of Employer.


Notice: This community forum is not an official Poly support resource, thus responses from Poly employees, partners, and customers alike are best-effort in attempts to share learned knowledge. If you need immediate and/or official assistance please open a service ticket through your proper support channels.
Please also ensure you always check the VoIP , Video Endpoint , Skype for Business , PSTN or RPM FAQ's