Since the CPU is constantly listening for Touch - tones from Fred , his command causes the CPU to direct the Disk Controller to stop playing the message .
For example , if Fred wants to pause message playback , he might press 2 .
Since the CPU is constantly listening for Touch - tones from Fred , Fred 's command causes the CPU to direct the Disk Controller to stop playing the message .
For example , if Fred wants to pause message playback , he might press 2 .