检测一个人在Android中接听电话所需的时间

I would like to know if there is any way for an android APP to detect how much time does another person (not the device owner) takes to pick up a call. In other words, to measure the time between I dial a number and the other person picks it up. I want to create a chart like: John takes an average of 5 seconds to pick up a call, Jane an average of 8 seconds and so on.I would like to know if there is any way for an