Customers in Skype for Business deployments should only use software releases that have been qualified by Microsoft or are maintenance releases built on a qualified release. Microsoft qualification may lag behind Polycom GA dates for UC Software so customers are requested to check whether a release has been qualified before deploying new software. Visit Polycom UC Software for Skype for Business Deployments page for a list of qualified releases.
VVX 250,350 & 450 are not supported on Skype for Business Online deployments
Customers who wish to upgrade to UCS 6.2.0 & plan to use Polycom Better Together over Ethernet Connector (BToE) Application 4.3.0 should follow a mandatory step to first upgrade existing (BToE) Application 3.8.0 onwards (with UCS 5.8 & 5.9 ) to (BToE) Application 4.3.0 followed by UC Software 5.8 & 5.9 upgrade to 6.2.0 to retain successful pairing.
Before you proceed to upgrade on older UCS & BToE releases please read EA 318 & refer to UCS 6.2 Release notes.

Product Name Product Name & Notes	Software Download	Release Notes	Release Date
UC Software Release Matrix
Polycom UC software 6.4.1.2280 for VVX Business media phones [combined] Release Notes (PDF)	292 MB	Release Notes (PDF)	Jul 16, 2021
Polycom UC software 6.4.1.2280 for VVX Business media phones [Split] Release Notes (PDF)	624 MB	Release Notes (PDF)	Jul 16, 2021
Poly PC Audio Connector 1.0.0.10	16.6 MB		May 20, 2021
Polycom UC Software 6.3.1.11465 for VVX Business Media Phones, Business IP Phones and SoundStructure VOIP Interface [Combined] Release Notes (PDF)	290 MB	Release Notes (PDF)	Mar 02, 2021
Polycom UC Software 6.3.1.11465 for VVX Business Media Phones, Business IP Phones and SoundStructure VOIP Interface [Split] Release Notes (PDF)	621 MB	Release Notes (PDF)	Mar 02, 2021
Polycom CAB files for UC Software 6.3.1.11465 for VVX Business Media, Business IP Phones Phones and SoundStructure	530 MB		Mar 02, 2021
Polycom UC software 6.2.1.1508 for VVX Business media phones[combined] Release Notes (PDF)	286 MB	Release Notes (PDF)	Apr 15, 2021
Polycom UC software 6.2.1.1508 for VVX Business media phones [Split] Release Notes (PDF)	613 MB	Release Notes (PDF)	Apr 15, 2021
Polycom CAB files for UC Software 6.2.1.1508 for VVX Business Media Phones and SoundStructure	523 MB		Apr 15, 2021
Polycom Better Together over Ethernet Connector (BToE) Application 4.3.0 Release Notes (PDF)	3.5 MB	Release Notes (PDF)	May 19, 2020
Polycom UC software 6.1.2.1167 for VVX Business media phones[combined] Release Notes (PDF)	286 MB	Release Notes (PDF)	Mar 02, 2021
Polycom UC software 6.1.2.1167 for VVX Business media phones [Split] Release Notes (PDF)	613 MB	Release Notes (PDF)	Mar 02, 2021
Polycom CAB files for UC Software 6.1.2.1167 for VVX Business Media Phones and SoundStructure	523 MB		Mar 02, 2021
Polycom UC software 5.9.7.3480 for VVX Business media phones [combined] Release Notes (PDF)	422 MB	Release Notes (PDF)	Oct 18, 2021
Polycom UC software 5.9.7.3480 for VVX Business media phones [Split] Release Notes (PDF)	922 MB	Release Notes (PDF)	Oct 18, 2021
Polycom CAB files for UC Software 5.9.7.3480 for VVX Business Media Phones and SoundStructure	790 MB		Oct 18, 2021
Polycom Better Together over Ethernet Connector (BToE) Application 4.3.0 Release Notes (PDF)	3.5 MB	Release Notes (PDF)	May 19, 2020

Product Name Product Name & Notes	Software Download	Release Notes	Release Date
Polycom UC software 6.4.0.11527 for VVX Business media phones [combined] Release Notes (PDF)	292 MB	Release Notes (PDF)	May 20, 2021
Polycom UC software 6.4.0.11527 for VVX Business media phones [Split] Release Notes (PDF)	624 MB	Release Notes (PDF)	May 20, 2021
Polycom Better Together over Ethernet Connector (BToE) Application 3.9.1 Release Notes (PDF)	2.9 MB	Release Notes (PDF)	Apr 04, 2019
Polycom Better Together over Ethernet Connector (BToE) Application 3.9.0 Release Notes (PDF)	6.6 MB	Release Notes (PDF)	Dec 17, 2018
Polycom CAB files for UC Software 5.9.6.2996 for VVX Business IP Phones and SoundStructure	789 MB		Mar 02, 2021
Polycom UC software 5.9.6.2996 for VVX Business IP phones [Split] Release Notes (PDF)	920 MB	Release Notes (PDF)	Mar 02, 2021
Polycom UC software 5.9.6.2996 for VVX Business IP Phones [combined] Release Notes (PDF)	421 MB	Release Notes (PDF)	Mar 02, 2021

Setup Documents

Document Name	Language
BroadSoft Feature Integration for Poly VVX and CCX Business IP and Media Phones
Poly VVX 350 and VVX 450 Business IP Phones Setup Sheet	Chinese (simplified) Chinese (traditional) English French German Italian Japanese Korean Portuguese Spanish
Polycom UC Software with Skype for Business Deployment Guide 5.9.0 (HTML)
Polycom UC Software with Skype for Business Deployment Guide 5.8.0 (HTML)
Wallmount and Face Plate Instructions for Poly VVX 150, 250, 350 and 450

User and Administrator Documents

Document Name	Language
Polycom UC Software Administrator Guide 6.1.0 (HTML)
Polycom UC Software Administrator Guide 5.9.0 (HTML)
Polycom VVX Business IP Phones User Guide 5.9.0 (HTML)
Polycom VVX Business IP Phones with Better Together over Ethernet User Guide 5.9.0 (HTML)
Poly UC Software 6.3.1 Admin Guide
Polycom UC Software Provisioning Guide
Polycom UC Software with Skype for Business - Deployment Guide 6.2.0
Polycom VVX Business IP Phones User Guide 6.1.0 (HTML)
Poly UC Software Administrator Guide 6.4.0 (HTML)
Poly UC Software Administrator Guide 6.3.0 (HTML)
Poly VVX Business IP Phones User Guide 6.4.0 (HTML)
Poly VVX Business IP Phones 6.3.1 User Guide
Polycom VVX 250, 350, and 450 Business IP Phones Quick Tips	Chinese (simplified) Chinese (traditional) English French German Italian Japanese Korean Portuguese Russian Spanish
Polycom VVX Business IP Phones with Better Together over Ethernet Quick Tips	Chinese (simplified) Chinese (traditional) English French German Italian Japanese Korean Portuguese Russian Spanish
Polycom VVX Business IP Phones with Skype for Business Quick Tips	Chinese (simplified) Chinese (traditional) English French German Italian Japanese Korean Portuguese Russian Spanish
Polycom VVX Business IP Phones with Skype for Business User Guide 5.9.0 (HTML)

EULA

Document Name	Language
Polycom End User License Agreement

Document Name	Language
BroadSoft Busy Lamp Field (BLF) and Key System Emulation Technical Reference
Certificate Updates for Polycom UC Software 6.1.0
Certificate Updates for Polycom UC Software Technical Update 5.9.0
Certificate Updates for Poly UC Software Technical Update 6.2.1
Poly VVX Business IP Phones Regulatory Notice
Poly VVX Business Media and IP Phones Privacy Guide
Polycom UC Software Offer of Source for Open Source Software 6.2.0
Polycom UC Software Offer of Source for Open Source Software 6.1.0
Polycom UC Software Offer of Source for Open Source Software 5.9.0
Polycom UC Software REST API Reference Manual 6.1.0
Polycom UC Software REST API Reference Manual 5.9.0
Poly UCS 6.3.0 Certificate Update
Poly UC Software 6.4.0 Certificates Update
Poly UC Software 6.4.0 Offer of Source for Open Source Software
Poly UC Software Offer of Source for Open Source Software 6.3.0
Poly UC Software 6.4.0 RestAPI Reference Manual
Polycom VVX Business Media and IP Phones Privacy Guide