thanks for the contribution
>… I would like to block all those insistent numbers that come to my landline thanks…
for 5 months the links can be found in the article above by CorinaS and MiriamF (Swisscom)
for Landline see Help | Swisscom
Activate Callfilter and block numbers - Help | Swisscom
Block unwanted calls with Callfilter or manually, disable numbers (e.g. 0900 numbers) or report advertising calls
