Weird Polycom issue

We just switched voice providers and purchases all new polycom phones. We weren’t aware there was a big difference between the OBI software and the UCS and they were UCS which didn’t have as large of a feature set supported by our vendor so we upgraded the software to OBI.

We experienced the oddest issue, post upgrade the phones would not get an ip address when plugged in to the network jack at the employee desk but worked fine plugged in to the switch directly. We could move the phone to a different desk and would get an address sometimes but not others. We could unplug the patch cable and then go directly to the exact same switch port no issue.

None of the runs are extraordinarily long but thought it might be a cable issue. Where it gets weirder is that we could take a different phone and plug it in to the same wall jack with the same firmware version and it would work fine.

I am truly at a loss as to what might be causing the issue. All jacks have tested fine, all cat 6 cabling coming from Aruba 1gb Poe switches. No runs exceed 100 meters, most having issues were under 50.