Call back Number

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 :-

Detect caller ID

Detect caller ID and look up in a database if the caller id is a registered for call back service.

Toll free Number

If the detected Caller ID is a registered user for call back service, then make an outbound call.

Bridge with the earlier call

Once the Caller ID picks up the call, prompt for entering a phone number. The IVR then makes another out bound call to this entered phone number and bridge with the earlier call.

Direct Dialing Call

Recently, this kind of call back service is also available as web based service where a user just login to a website, enters his own registered number and then the other number with whom he wants to speak to. Call back service is used where direct dialing is costlier.
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