noun
welfare telephone; easy-to-use phone for elderly or disabled living alone
Refers to telephone equipment provided free or at reduced cost by local governments or welfare organizations to elderly or disabled individuals living alone, often with features like large buttons or emergency call functions.
一人暮らしの祖母は、市から福祉電話を借りている。
My grandmother, who lives alone, rents a welfare telephone from the city.
Welfare telephones often have an emergency call button.