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[SOFTWARE] UCS 5.1.2 and UCS 5.1.1 Rev C has been released

Polycom Employee & Community Manager

[SOFTWARE] UCS 5.1.2 and UCS 5.1.1 Rev C has been released

Hello everyone,


We are pleased to announce that the Polycom® UC Software  5.1.2 and 5.1.1.Rev C associated utilities and documents are now available on the Polycom Product Support web pages ( for download.


UC Software 5.1.2  is UC Software maintenance release on top of Microsoft qualified UC Software 5.1.1 for VVX Business Media Phones which includes important field fixes and Open SSL vulnerability fix.


UC Software 5.1.1 Rev C – Microsoft Qualified software for UC Software for VVX 410, VVX500, VVX 600 and SoundStructure


Platforms supported on both UCS 5.1.2 and UCS 5.1.1 Rev C:

  •        Polycom® VVX® 300/310 business media phone
  •        Polycom® VVX® 400/410 business media phone
  •        Polycom® VVX® 500 business media phone
  •        Polycom® VVX® 600 business media phone
  •        Polycom® VVX® 1500 business media phone
  •        SoundStructure

This release also provides support for the following VVX accessories:

  •        Polycom® VVX® Camera
  •        Polycom® VVX® Expansion Module


What is available now on web?

  •          UC Software 5.1.1 Rev C( Split or Combined)
  •          UC Software 5.1.2 (Split orCombined)
  •          Release Notes for 5.1.1 Rev C
  •          Release Notes 5.1.2


How to download UCS 5.1.1 Rev C and 5.1.2 software, release notes & documents:


You can obtain the software and the related documentation from the supported phone model pages:


example Click VVX300/Polycom® Latest UC Software Release/ Polycom® UC Software Support Center 


Software is also available on the Polycom Hosted server and Phone can be upgraded by using the phone’s web UI.


Note: Using Polycom phones with Lync Server:


  • You can register only one line when Lync is set as the base profile on the phone.

  • Better Together over Ethernet is disabled by default on VVX business media phones with UC software 5.1.0 or later.

  • VQMon is currently unavailable for Lync deployments.

  • The phone’s web interface is disabled by default when the base profile is set to Lync and HTTP and HTTPS are enabled.
The title Polycom 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. My official "day" Job is 3rd Level support at Poly but I am unable to provide official support via the community.


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
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