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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 <=

<======== Signature / Disclaimer ========>
Please be aware:For questions about the type of support to expect please check here

Please also ensure you always check the VoIP , Video Endpoint , Skype for Business , PSTN or RPM FAQ's

Please remember, if you see a post that helped you , and it answers your question, please mark it as an "Accept as Solution".

The title Polycom Employee & Community Manager is an automatic setting within the community and any forum reply or post is based upon my personal experience and does not reflect the opinion or view of my employer.
Poly employee participation within this community is not mandatory and any post or FAQ article provided by myself is done either during my working hours or outside working hours, in my private time, and maybe answered on weekends, bank holidays or personal holidays.