Phone calls and e-mail do help when used- more so when video calls from the lab can be done if nothing is interfering with the signal.

[When used being keywords- he knew after a while Arven's e-mails when unanswered, but he could get a video call through to the Director; kept voice calls up with every success while tracking the young Miraidon's progress as well.

... It really and truly had been a self-imposed isolation after a while, hadn't it.]