That is after they chase up isn't it? Why can't you just check and try to respond in the timely manner? But wait until they escalate several time?
This is not the first time...
Or I miss anything?
You have IPad laptop moblie. I would recommend you to use the one that is most suitable to the work.
So YOU GET LESS COMPLAINTS.
Take your time today...sit and rethink if you are a normal engineer or you are the team leader..... Work different and change your working way to ensure you will be success in your career path. Be mature now...