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[Software] UCS 4.0.3 Rev F has been released

Polycom Employee & Community Manager

[Software] UCS 4.0.3 Rev F has been released

Hello all,


We are pleased to inform you that Polycom® UC Software 4.0.3 Rev F release is now available on the Polycom Product Support web pages ( for download.


The software is a maintenance release on the 4.0.x stream and is appropriate for the below phones.


SoundPoint IP321, IP331, IP335, IP450, IP550, IP560, IP650 and IP670

SoundStation IP5000, IP6000, IP7000 and Duo

VVX 1500 and 500


How  to download UCS 4.0.3 Rev F software and Release notes:


You can obtain the software and the release notes from one of the various VoIP Voice Products Support pages.


1) Navigate to “Support > Voice > SoundPoint IP> SoundPoint IP 335” or click here.

Note: Currently due to web page upgrade activity SoundPoint IP 550 page does not show up the UCS 4.0.3 Rev F load, it will be up in a day. Alternatively you can download the UCS 4.0.3 Rev F from any other supported phones as listed above.

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
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