how to keep landline when moved to fibre

My first step would be to connect the Vodafone router to the fiber modem, plug a telephone into the Vodafone phone jack, and see if it works.

i.e.

• Is there a dial tone?
• Can it make phone calls?
• If you call the previous phone number, does this phone ring?

If not, it is time for a serious talk with Vodafone.  One would assume that moving a service from copper to fiber would include moving all services that Vodafone provides.

There are no Netgear routers that support telephone service.