Phone Coaching vs. Personal Training

How is Phone Coaching different from Personal Training?
 
Phone Coaching                      vs.        Personal Training
Cost effective                                     Very expensive
Learn self motivation                          Generally reliant on Trainer to ever exercise
Workout times are flexible                   Workout times are not-flexible
75% -90% Compliance rate                10%-25% compliance rate 
Results & ability to maintain                Sometimes Results, typically not maintained