Set custom response and reject calls when you are busy
Call manager is an awesome app where you can reject calls with custom messages. You have the following options
1. Reject calls from selected contacts.
2. Reject calls from particular contacts with a predefined message.
3. Reject all calls.
4. Reject all calls with a custom message.
It helps you manage your responses to calls from your contacts. You can set custom message for your friends, relatives and dear ones.