Business Calls Manager

You can set contacts or groups in the way your like, and add some data columns to each group.
All the data will order by how many times you click. You can choose different phone mode in different occasion, time, schedule,so you don't have to worry about phone calls affecting your daily routine.
Also,You don't miss important calls when you set your phone state to "mute", because this app will turn your phone state to "sound" automatically.
Everything is Changeable in this app!

Features:
Phone state(SOUND) special calls will change to VIBRATE or MUTE
Phone state(MUTE) important call will change to SOUND
Phone state(SOUND) special occasion, time, schedule change(MUTE)