What are the differences between sitting beside a person who keeps talking on the phone and a person who keeps talking to you?

I think the biggest differences between sitting beside a person who keeps talking on the phone and a person who keeps talking to me is interaction. When I sit next to a person who keeps talking on the phone, I don't want to interrupt them, and I just keep silent and don't have any reaction [...]

The main difference is that the person talking to you wants to engage with you, while the person on the phone is focused on their conversation. Being near someone on a phone call can be distracting and annoying, especially if it interrupts your own focus.

The difference between sitting beside someone who keeps talking on the phone and someone who keeps talking to you is that the person on the phone isn't very engaging. They're just focused on their call and don't seem to care about you. On the other hand, someone who keeps talking to you is more engaging. [...]