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[SOFTWARE] UCS 5.1.1 Rev B has been released

Polycom Employee & Community Manager

[SOFTWARE] UCS 5.1.1 Rev B has been released

Hello everyone,


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


UC Software 5.1.1 Revision B is a UC Software feature for all VVX Business media phones and SoundStructure. 


  • UCS 5.1.1 Combined => here <=

  • UCS 5.1.1 Split => here <=

  • UCS 5.1.1 LYNC Cab File => here <=

  • UCS 5.1.0 Admin Guide => here <=

  • UCS 5.1.1 release notes => here <=

  • BToe 2.3.0 => here <=


What’s New in Release 5.1.1 Revision B?


  • Polycom® Unified Communications (UC) Software 5.1.1 Revision B is a general release for all open SIP platforms, Microsoft® Lync™ 2010 and Microsoft® Lync™ 2013.

Note If you are using Polycom UC Software 5.1.1 Revision B with Microsoft Lync Server, you can register only one line. You cannot register multiple lines on one phone with Lync Server !


Please be aware of the following when utilizing UCS 4.1.0 or later:

The use of Polycom UC Software versions 4.1.X (“Software”) requires the purchase of a separate Software license for every device that will use the Software in a Lync environment. You may not install, access, or use the Software in a Lync environment on more devices than are listed on your license until additional licenses have been purchased and authorized by Polycom. These licenses should be purchased from the same company from which you purchased the devices. You may operate devices against a Lync server for trial purposes for up to 30 days without purchasing a license. Use of the Software is subject to the terms and conditions of the End User License Agreement.

Polycom reserves the right to audit your deployment to verify that you have sufficient licenses to match the number of devices being used.

Information in regards of License Part Numbers can be found here


Polycom UC Software 5.1.1 Revision B offers support for the following endpoint platforms:

  • VVXR 300/310 business media phone
  • VVXR 400/410 business media phone
  • VVXR 500 business media phone
  • VVXR 600 business media phone
  • VVXR 1500 business media phone
  • PolycomR SoundStructure 

This release also provides support for the following VVX accessories:

  • Polycom VVXR camera
  • Polycom VVXR Expansion Module

Note: Using Polycom phones with Lync Server :


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

  • Better Together over Ethernet is disabled by default on VVX business media phones with UC software 5.1.1 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 also added support for HTTP and HTTPS.


New or changed Features:


  • Smart Paging allows to automatically distribute all Lines, BLF's and Speed Dials utiling the Expansion modules.
    The feature needs to be enabled via up.em.smartpaging.enabled="1" and the flexible line key configuration has priority over this feature.

  • Remote Packet Capture for Logs enables to collect wireshark traces from the phone in a remote manner.

  • BToE (Lync™) is now disable as a standard and requires manual activation. Please check => here <= for more details

  • The Web Interface is now disabled if in Lync™ profile mode. Please check => here <= for more details

  • Do not disturb / DND and/or call forward can now be deactivated via a configuration parameter. Please check => here <= for more details

<======== Signature / Disclaimer ========>
Please be aware:For questions about the type of support to expect please check here

Please also 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".

The title Polycom Employee & Community Manager is an automatic setting within the community and any forum reply or post is based upon my personal experience and does not reflect the opinion or view of my employer.
Poly 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 maybe answered on weekends, bank holidays or personal holidays.
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