Vodafone now blocks unwanted calls before they reach you
 

Nuisance callers are having a tough time of it already this year, with Ofcom banning them from withholding numbers and helping to create a simple, text registration option for the UK's leave-me-alone database. But Vodafone's decided to go even furthe...

https://www.engadget.com/2016/09/20/...call-blocking/