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[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



Please be aware:

The purpose of these forums is to allow community members collaborate and help each other.
Questions posted here do not follow Polycom’s SLA guidelines.
If you require assistance from Polycom technical support, please open a
web service request or call us .

The above is necessary in order to track issue internally within Polycom.

You are welcome to post more questions or configuration or logs for other community members to look at but if your issue requires a fix via Polycom you must go via the official support structure.

Please 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".

This forum reply or post is based upon my personal experience and does not reflect the opinion or view of my employer.
Polycom 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 may be answered on weekends, bank holidays or personal holidays.