He had come over to talk to them by himself.

They talk by phone to one another at the same party.

The rest of the time, they talk by phone at least once a day.

How are you talking to me so clearly, by the way?

You can always tell when people are not talking by the way they pass each other.

We've talked to him by phone, but we only met today.

"And you have no idea to whom they are talking now by voice radio?"

She took a few minutes to talk about her job by telephone.

Now and then he'd talk to family members by telephone.

But he said she could talk with him by telephone.