Dr. Kadowaki says "Quistis? Come get your student. Yes, yes...His injury's not serious. It'll probably leave a scar.......Right. Now please come by." This is most likely said on the phone, not in person.
Do you have any proof that she used a phone? If that's the case, the background of the message would have been tranplanted (not normal grey.) while talking to people on phone or thinking as in mind.
Just look at the language used. It's not what you'd say to someone if they were there in person.