On Sun, 27 Feb 2011 00:15:53 +0000 (UTC), Tim wrote:

Our local hospital used to but has stopped witholding. Too many people
have anonymous caller rejection for them to reliably contact patients.
All these organisation can temporaily stop withholding their number if
they need to get yoou.

Or better still set up their systems to only present the switch board
number or if the call is coming from a department or ward the DDI to
the reception for that department/ward irrespective of the instrument
used to make the call.

--
Cheers
Dave.