What is the significance of setting the Boot Server to Custom + Opt66 during the Polycom phone provisioning process?
Significance of setting the Boot Server to Custom + Opt66
This setting is essential for the provisioning process. Set the Boot Server to Custom + Opt66 for proper configuration.

![telecloud_logo_transparent-1.png]](https://knowledge.telecloud.net/hs-fs/hubfs/chub_backup/telecloud_logo_transparent-1.png?height=40&name=telecloud_logo_transparent-1.png)