Plantronics + Polycom. Now together as Poly Logo

[SOFTWARE] UC Software 5.4.0.A is released

Polycom Employee & Community Manager

[SOFTWARE] UC Software 5.4.0.A is released

Hello everyone,


We are extremely excited to announce the availability of most awaited and much anticipated “Polycom® UC Software 5.4.0 A”,  associated utilities and documents on the Polycom Product Support web pages ( for download.


The exact version is


Note: UCS 5.4.0 Rev A supports Microsoft Lync 2010/2013, Skype for Business, Skype for business Online only. This release is not intended for any Open SIP deployments.



Polycom UC Software 5.4.0 offers support for the following endpoint platforms:

  • VVX® 201 Business media phone

  • VVX® 300/310 Business media phone

  • VVX® 400/410 Business media phone

  • VVX® 500 Business media phone

  • VVX® 600 Business media phone

  • VVX® 1500 Business media phone (Microsoft Skype for Business / LYNC Support not supported)
  • Polycom® SoundStructure® VOIP Interface

This release also provides support for the following VVX accessories:

  • Polycom VVX® camera
  • Polycom VVX® Expansion Module


New Features


Polycom UC Software 5.4.0A includes the features and functionality of previous releases and includes the following new features:


  • Microsoft Office365 and Skype for Business Online

  • Office365 and Skype for Business Provisioning and Manageability

  • Time and Date Initial Setup


Microsoft Office365 and Skype for Business Online


This feature provides online applications and cloud services, which include email and social networking through Lync Server, Exchange Server, SharePoint, Yammer, Microsoft Office web applications and Microsoft Office software.


This features also supports the migration of users from the Skype for Business on premise solution to the Office365 online solution.
Polycom phones support Skype for Business Online and Exchange Online services only. By default, phones with Office 365 are registered only with TLS-DSK.

NOTE: Exchange Online is not supported on SoundStructure VoIP Interface. Skype for Business and Exchange Online are not supported on VVX 101 and 1500 phones.


Office365 and Skype for Business Provisioning and Manageability

Enables administrators to provision phones using Office365 without the need for a separate provisioning server. Device provisioning and feature management parameters for Skype for Business and Exchange Services are handled by the Skype for Business server.

Administrators can also migrate user information from a Lync on-premises solution to an Office365 online solution.



Administrators can switch between Lync or Skype for Business on-premise and Skype for Business Office365 online deployments without interrupting services.


Time and Date Initial Setup


When users sign into Skype for Business on their phone, they can choose to set the time zone, time format, and date format before they start using their phone.


This feature is disabled by default.


NOTE: This feature is not available on VVX 101 and 1500 business media phones.






















Additional Features in This Release


The following feature enhancements were made for this UC Software 5.4.0A release:


  • Modified the encoding modes on the onscreen keyboard for VVX 500 and 600 phones.

  • Removed the Pin Authentication feature when the phone is operating in a Skype for Business environment where STS-URI is not configured either through DHCP Option 43 or configuration parameters.

  • Updated the Lync Status menu in the Web Configuration Utility to show status information for all Skype for Business and Office365 features to support debugging and managing Skype for Business and Office365.

  • Modified existing parameters and removed the need for a reboot after the parameters are modified. See the section Configuration File Enhancements for a list of changed parameters.

  • Added a single installation package for the Polycom Better Together over Ethernet (BToE) application.

  • Added support to launch the Web Configuration Utility from the Polycom BToE application.

  • Added support for Office365 wildcard certificates supported on Microsoft domains.
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. 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
Message 1 of 1