"The older and bigger ones, yes. But these are somewhat more advanced than the ones I'm accustomed to."

He, too, tries experimenting with the device. It's worth trying to figure it out now that he actually has one of his own.

"With the older ones, you'd need to have someone's phone number in order to contact them—put the number into the phone, and it would ring up the recipient. This one surely must work in a similar fashion."