welcome to the Polycom Community.
The phone does not care what kind of connectivity the link is other than a valid ethernet connection.
As long as the bandwidth is sufficient this should work.
Any issues in regards registration would need to be troubleshot.
The Community FAQ has a troubleshooting post explaining this.
Please ensure to provide some feedback if this reply has helped you so other users can profit from your experience.
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I have the bridge set up as a different Ip than the wireless hotspot. Do I designate the IP gateway as the bridge or hotspot?