It was back to school this week you know and -- wait hold on , " he could hear her covering the mouthpiece and it was through a muffled screen he heard his niece start to cry . Thank God I do n't have kids . " If this is a bad time , " he started to say , but his sister cut him off before he could finish .
According to the above context, answer the following question.
How was the man in contact with sister when they were having a discussion ?


They were talking on the phone when she started having kid problems .