Yeah that's seems correct. You won't receive a message until you're both online. We use it here at work for interstate chat and it works well as we have our wor

Yeah that's seems correct. You won't receive a message until you're both online. We use it here at work for interstate chat and it works well as we have our work machines on 24/7. So logging in from a laptop off site will sync the messages. Note that the read status doesn't get synced.