If we were brought here by magic, to a fantasy world with wizard spires instead of cell towers, why would you expect phones would work? [That argument would carry a lot more weight if they weren't in an old-fashioned train station, with a TV droning on in Spanish about the weather in the background.]

... though, it is an outdated model. [From his perspective.]

Houtarou Oreki. From Kamiyama, Gifu, Japan. Nice to meet you. [Kind of?]