Plantronics + Polycom. Now together as Poly Logo

[Software] Polycom Trio UC Software 5.5.3 Rev AB

Polycom Employee & Community Manager

[Software] Polycom Trio UC Software 5.5.3 Rev AB

Hello everybody,


we are pleased to announce the UC Software release for both the Polycom Trio 8800 and Polycom Trio 8500.


This release of Polycom® Unified Communications (UC) Software 5.5.3AB for the Polycom® Trio ™ solution is for Open SIP and Skype for Business deployments, and includes several important fixes.
Polycom UC Software 5.5.3AB supports the following Polycom products:

  • Polycom Trio 8500 system
  • Polycom Trio 8800 system
  • Polycom Trio Visual+ accessory



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