There is only one actual solution to this problem.
1. Get the list of phone numbers of everybody working at AT&T (Sony style)
2. Set up robocalls randomly from each of these numbers to each of the other numbers
3. Share this list and your specific howto instructions with three other people
1. Get the list of phone numbers of everybody working at AT&T (Sony style) 2. Set up robocalls randomly from each of these numbers to each of the other numbers 3. Share this list and your specific howto instructions with three other people
Every other solution fails.