Thanks for all the replies everyone, sorry for not coming back sooner.
Thereís no chance she can use WhatsApp.
Iíll have a look at the post office after Iíve called talktalk to try and get a deal.
One thing Iím considering is seeing if our relatives have Alexa devices.
I think an echo dot with its calling features could be an easy way for a pensioner to connect with someone.
Ashington (Northumberland) Exchange