One party/all party consent laws only apply to confidential communications, or put another way private conversations, not anytime a phone is used. If you can on

One party/all party consent laws only apply to confidential communications, or put another way private conversations, not anytime a phone is used. If you can only hear one person speaking, it is not a conversation. And even if you can hear both people, like if they were on speakerphone, someone talking on speakerphone in a public place is not having a "private" conversation.