[Software] Trio UC Software 5.9.3 Rev AB

Polycom Employee & Community Manager

[Software] Trio UC Software 5.9.3 Rev AB

Hello all,


Poly Trio UC Software 5.9.3 Rev AB ( 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 5.9.3AB 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.
  • Zoom Room Controller 5.0.0. Support
  • AES-256 Encryption Support

Consult the Trio 5.9.3 Rev AB Release Notes for more detailed information.


Link to the previous 5.9.3 Rev AA => here <=

Link to the previous 5.9.2 Rev AB => here <=

Link to the previous 5.9.2 Rev AA => here <=

Link to the previous 5.9.1 Rev AC => here <=

Link to the previous Rev AB => here <=

Link to the previous Rev AA => here <=


If official support is required please check how to phone or open a case 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.


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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.
Please also ensure you always check the VoIP , Video Endpoint , Microsoft Voice , PSTN or other FAQ's in the different sections