Re unrecognised calls...have you checked your settings ?
I think the options may have changed since the service was introduced.
I've got the Personal/BT Blacklists ON, Withhelds Allowed and International+Unrecognised Stopped.
( I don't have any International friends )
You're welcome !
You can take some numbers off your personal blacklist now - suspect a lot will already be on the BT list. Apparently when they see lots of users b-listing the same number they add it...