I have already replied >here< with clear instructions and troubleshooting steps. You have not followed up the post and neither posted any logs for us to try and help you.
You simply select the drop-down box and the desired software and the rest should be automatic. If this fails then there is most likely some sort of firewall or proxy.
The next step would be to set up a manual provisioning server which also helps to collect logs or configure the phones.
Oct 7, 2011 Question: How can I setup my Phone / Provisioning / Download / Upgrade / Update / Downgrade Software? Resolution: Please check => here <=
If this all fails I already outlined the next steps in the above-linked post.
---------------- 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