1. If calling an internal extension, and that person is on another line, show something on the caller's phone to indicate it. Not everyone can have a massive button bank with BLFs for every extension. This is by far the largest issue I see with the entire system. It's a ludicrous problem that I can...

My office would very much like this option as well.

We would very much like this option at my office as well. Hopefully it is added back in, I don't see why it would not be an option as many systems allow for it, even very old systems.