Yes instructions are as you say. But call divert on the MyBT app takes you blocked numbers.
@stevebrass Yes, exactly as I describe in my earlier post on this thread. My point in citing the instructions is that, if the facility to implement a call diversion online has been withdrawn intentionally, it shows a lack of co-ordination within BT.
The bit about divert failing during a power cut, would seem to indicate that perhaps BT make a check on the presence of the SH2, and after a number of failed checks, diverts are stopped after a few calls.
So if you are using a third party router, there is a good chance that diverts will fail, and end up being sent to Call Protect, meaning you would have to reconnect your SH2, and Digital Voice, to recover any messages.
This may be deliberate.
@Keith_Beddoe I am using the BT Smart Hub 2. As stated in the link that I posted above, when a diversion was set before a power cut it operated throughout the power outage and continued when power was restored. It was only when a diversion was set (which had to be done online or via MyBT app) during a power cut that the diversion failed.
Re message 6, Step 3.
It looks like someone has stuffed up, there is no 'Call Diversion' tile in the 'Your Digital Voice Features' section