ContributionsMost RecentMost LikesSolutionsRe: Cannot access Phone Tools I have experienced the same problem, only in Firefox - it has continued working in Edge. When I selected "Call history" from my account page, I received the same error message as the original poster. I solved it (at least for now) by going to Firefox Tools->Options->Cookies & Site Data->Manage Data, entering "cox" to select all cookies with Cox in the name, and then "Remove all shown...".