When an extension is logged into VOD 5.9, New Experience and monitored by a BLF extension, the BLF extension cannot pick up the call to that extension. The BLF key for that extension will be flashing, but not able to pick up the call.
VOD 5.9 New Experience
Engineering is still testing a new IOS that will resolve this issue. There is no ETA, but we will update this article once the problem is resolved.
Temporary solution is to revert to the Classic View.