I suspect myself as having a language processing disorder (Central Auditory Processing Disorder or CAPD). I find it easier to "read" text than to talk on the phone - consequently, I am more afraid of the phone than I am of the computer!! ! It's funny - talking on the computer seems more natural to me than talking on the phone. To most NT's, it's the exact opposite.
So, just take a deep breath and think about something you like. I think most Aspies have that overwhelming feeling (anxiety??) on occassion where they're left wondering if they offended someone. This, I believe, stems from the fact that most Aspies lack "Mind Theory" - or the ability to accurately gauge other people's emotions to their facial features (please do tell me if I'm mixing up my terms again). If you did offend an Aspie, however, I think most would tell you instead of giving you the god awful silent treatment.
Makes sense? I sure hope so.