This must first be re-enabled either manual from the phone or via a centralized provisioning configuration before the UI can be accessed remotely on the phone to perform the upgrade process.
As previously covered in this article a centralized provisioning server can be deployed, or an existing deployment designed for other Polycom SIP phones can be leveraged by the Trio.
Both Lync Server and Skype for Business Server platforms include this in-band firmware updating service and leveraging this capability is inherently available in the Trio as well.
This previous article outlines exactly how to configure VVX phones to utilize this and the same configuration applies to the Trio.
Firmware acts as the foundation upon which your router runs.
This is somewhat permanent in that it can't be changed until a new firmware update replaces it.
While each of these platforms are currently using versions in the 5.4.x branch the actual release versions may or may not have the exact same build number between the different platforms.
* New Skype for Business themed user interface * New USB Optimized mode for Skype foe Business tethering scenarios * Multiple video stream support and new screen layouts for video and content viewing * Various improvements in calendaring, contact search, and conferencing management Release including hotfixes and several enhancements including: – New 8500 model introduced to Trio family – Device firmware delivered via USB connectivity to Windows PC from Windows Update – Several Skype for Business user experience enhancements including and updated UI – Support for registration to different Skype for Business and Exchange accounts – Web-Sign feature for Skype for Business Online accounts – Device Lock support added – Support for in-band Skype for Business media port ranges – Reverted to client-side phone number normalization by default Also be aware that currently the firmware releases for Trio are not lock-step with the existing VVX releases, nor with the CX5500 releases.While the Trio can be updated in all the same ways that VVX phones already support there is a new capability provided with the Trio: using the local USB port.In fact this is a very similar process to what the CX5100/5500 also supports for firmware upgrading.Once confirmed the notification icon of a spinning gear should appear in the upper right corner of the display.In addition if the USB drive contains an activity LED then it should be flashing to indicate that the phone is currently reading the files from the disk.The following table lists Microsoft-qualified UCS releases which support native device updates and will continue to be updated as future releases are posted online, including links to both Release Notes and the software packages.