Hello Everyone,
We are extremely excited to announce the availability of the much anticipated Polycom® UC Software 5.4.1, with associated utilities and documents on the Polycom Product Support web page (http://support.polycom.com).
UC Software 5.4.1.14510 is a Major release which expands our VVX Business media phones.
Polycom UC Software 5.4.1.14510 RTS 55 supports the following Polycom endpoints:
- VVX 101 business media phones
- VVX 201 business media phones
- VVX 300/310 business media phones
- VVX 301/311 business media phones (new phones introduced in this release)
- VVX 400/410 business media phones
- VVX 401/411 business media phones (new phones introduced in this release)
- VVX 500 business media phones
- VVX 501 business media phones (new phones introduced in this release)
- VVX 600 business media phones
- VVX 601 business media phones (new phones introduced in this release)
- VVX 1500 business media phones
- SoundStructure VoIP Interface
Polycom UC Software 5.4.1 supports the following Polycom accessories:
- Polycom® VVX® Camera
- Polycom® VVX® Expansion Module
Note: VVX 1500 is for Open SIP deployments only
Polycom UC Software 5.4.1 includes the features and functionality of previous releases and includes the following new features:
- Enhanced Flexible Line Key (EFLK) customization for Skype for Business
=> details <=
- Master Key Identifier (MKI)
- Shared Line Appearance for Lync (SLA)
- Support for Simplified Chinese font on VVX 101
- Support for Better Together over Ethernet (BToE) on Windows 10®
=> details <=
- Smart Search for Lync Address Book Service

- Incoming Call Handling for Locked Phones for Lync/SfB
- Global Directory Synchronization
- For Full list of Features and fixes please have a look at the Release Notes.
What is available now on web?
- UC Software 5.4.1( Split & Combined)
Polycom recommends the Split Image
- Release Notes for 5.4.1[PDF]
- Administrators Guide 5.4.1[PDF]
- Lync Deployment guide 5.4.1 [PDF]
- BToE 3.3.0
How to download UCS 5.4.1 software, release notes & documents:
You can obtain the software and the related documentation from the supported phone model pages:
Software is also available on the Polycom Hosted server and the Phone can be upgraded by using the phone’s web Interface.
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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.
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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