What is call back feature ?
Call Back feature is when a person call a number and then disconnect and immediately that dialed number calls back the person. Now the person can enter another phone number and get connected to that phone number! This kind of phone number which calls back a person is also known as DID ( Direct Inbound Dialing) or Direct Dial-in.Implementing Call Back Service using IVR
Call back feature is implemented using a smart IVR ( Interactive Voice Response) System which performs three tasks :-