I have enough trouble processing spoken words without being able to see the person's face, let alone a tough accent. I think the most understandable English a

I have enough trouble processing spoken words without being able to see the person's face, let alone a tough accent. I think the most understandable English accents I've heard on a phone conversation are Jamaican and Russian. FTR, I'm US born and raised (mostly Arizona). They just tend to put a little be more emphasis on the words.