On Thu, 28 Jul 2011 21:31:58 +0100, polygonum wrote:

On Thu, 28 Jul 2011 21:07:52 +0100, Dave Liquorice
wrote:

On 28 Jul 2011 11:07:32 GMT, Bob Eager wrote:

Possibly. The ones with withheld caller ID first get the 'line not in
service' tri-tone, though.

Is that wise? I know hospitals, police etc should be able to present a
number but I bet a significant number don't...


Precisely the problem that we perceive. We *know* some bona fide
NHS-source calls appear without a presentation number (whether it says
withheld or just announces external call I cannot now be sure). And we
really don't want to miss them.

The caller hears the tri-tone, then the menu. And then selects the right
item. And gets straight through.

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