He can handle this situation by organizing and managing all the phone lines that he often use and he should also have a keep list of the numbers that he uses often.
Organizing is the way of putting together or the assembling the people or things resources in a good and right manner.
Note that He can handle this situation by organizing and managing all the phone lines that he often use and he should also have a keep list of the numbers that he uses often so he need not look them more than once.
Learn more about organizing from
https://brainly.com/question/19334871
#SPJ2