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- How to update to specific firmware for CX3000

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03-01-2017 10:41 AM
Hi everyone,
I'm trying to find out how I can install firmware on a Polycom cx3000 device to a specific firmware.
the firmware is trying to update to is 4.0.7577.4372
currently, I'm able to install the updater application on the server and push the update to a test device in our environment, however, is not familiar or can I find how to update to a specific version. the updater only pushes out to the newest firmware.
any help and assistance would be appreciated
Solved! Go to Solution.
Accepted Solutions
03-01-2017 01:32 PM
Hello Rightpoint,
The firmware on these devices is from our Partner Microsoft and Microsoft hosts and distributes this software.
Only Microsoft can provide access to older software versions and you can only update these CX phones via a Skype for Business or LYNC server.
Please ensure to provide some feedback if this reply has helped you so other users can profit from your experience.
Best Regards
Steffen Baier
Polycom Global Services
Notice: I am an HP Poly employee but all replies within the community are done as a volunteer outside of my day role. This community forum is not an official HP Poly support resource, thus responses from HP Poly employees, partners, and customers alike are best-effort in attempts to share learned knowledge.
If you need immediate and/or official assistance for former Poly\Plantronics\Polycom please open a service ticket through your support channels
For HP products please check HP Support.
Please also ensure you always check the General VoIP , Video Endpoint , UC Platform (Microsoft) , PSTN
03-01-2017 10:46 AM
Hello ,
Polycom and other manufacturers produce these optimized for Microsoft® Lync® or Skype® for Business devices after a reference design and the embedded OS running on the phones is provided, supported and maintained by our partner Microsoft®.
You therefore may want to reach out to the Microsoft® community and / or Microsoft® support directly instead as this is the most direct and efficient path.
Polycom is unable to add any new features into the functionality of these CX Devices
Please try here
Best Regards
Steffen Baier
Notice: I am an HP Poly employee but all replies within the community are done as a volunteer outside of my day role. This community forum is not an official HP Poly support resource, thus responses from HP Poly employees, partners, and customers alike are best-effort in attempts to share learned knowledge.
If you need immediate and/or official assistance for former Poly\Plantronics\Polycom please open a service ticket through your support channels
For HP products please check HP Support.
Please also ensure you always check the General VoIP , Video Endpoint , UC Platform (Microsoft) , PSTN

03-01-2017 01:32 PM
Hello Rightpoint,
The firmware on these devices is from our Partner Microsoft and Microsoft hosts and distributes this software.
Only Microsoft can provide access to older software versions and you can only update these CX phones via a Skype for Business or LYNC server.
Please ensure to provide some feedback if this reply has helped you so other users can profit from your experience.
Best Regards
Steffen Baier
Polycom Global Services
Notice: I am an HP Poly employee but all replies within the community are done as a volunteer outside of my day role. This community forum is not an official HP Poly support resource, thus responses from HP Poly employees, partners, and customers alike are best-effort in attempts to share learned knowledge.
If you need immediate and/or official assistance for former Poly\Plantronics\Polycom please open a service ticket through your support channels
For HP products please check HP Support.
Please also ensure you always check the General VoIP , Video Endpoint , UC Platform (Microsoft) , PSTN