Waiting For Your Phone Call

Yono 58 is a father who is clueless He has a son named Suryo 21 who has wandered far into the city Its been a long time but Suryo never called Yono and Yonos phone was never answered Yono went to the cell phone counter because he thought that the reason Suryo never called him was because his phone was broken Is that right Or are there other facts that strain the father and son relationship