Are any of these headsets plugged into PCs or other devices?  If so try removing the USB cable from the PC so that the headset only has phone audio, phone EHS, and its own power adapter. The customer who was having this issue found that this resolved...

Interesting, this same problem was just reported at a customer of mine this morning.  7841 phones with Jabra 9465 and 9470 headsets in a callcenter.  Has been running for a little more than a month without issue.  Powered by a stack of 3850-48s.  I d...

Funny, I just took a look at what I figured must be the last four BRI backups anywhere and started troubleshooting why they didn't work, when they dial their PRI headend.  I see the exact same issue, its interesting because initially the call connect...