Source of the Kassa discontinued: https://www.reddit.com/r/TpLink/comments/rinsee/kasa_uk_ending/ and https://community.tp-link.com/en/smart-home/forum/topic/507374

I've bene looking at getting another Kassa smart plug, however they dont appear to be in stock anywhere, ive done a bit of digging and it looks like TP link could be pulling the plug on Kassa smart...

The best solution from a consumer point of view would be to make the details freely available so that should you want to you can use your own equipment ( and in turn be responsible for setting it up...

@PhantomR1982 As said the main issue in the UK is how VOIP is being rolled out in the UK. Most people will make do with their ISP provided router - agian in most cases these are plug in and go and...

@PhantomR1982 VOIP is comming as a replacement for the old PSTN network, however apart from business service providers its nigh on impossible to use your own equipment with mainstream domestic...

And again, thanks, now up and running , hope the below screen shot helps others