The issue concerning the actual placement of the phone towers is best described by the concept called; the utilization of the phone battery system .
<h3>What is utilization of systems?</h3>
From the given discussion with your friend, by analyzing the phone battery due to its' the maximum satisfaction, it should also be derived due to that and the utilization should be checked.
Secondly, it is the maximum utilization that should be derived at the time when it talks about the longest battery duration at the time of calling so initially we will have to check the utilization.
Thus, the concept described is called the utilization of the phone battery system .
Read more about utilization at; brainly.com/question/24543809