On 15/06/2019 11:16, tim... wrote:


"dennis@home" wrote in message
...
On 14/06/2019 21:33, Brian Gaff wrote:
Some can, the NHS for one.
Â* I think its because its a very old system and it is what it is.
Â* Brian


You can do it on any system that has an SS7 link or equivalent.

Oh yeah

and these are readily available as consumer purchases where?

tim




BT and others.
They are not cheap.