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Sunday 11 January 2015

Interactive Voice Response (IVR)

In telephony, interactive voice response, or IVR, is a phone technology that allows a computer to detect voice and touch tones using a normal phone call. The IVR system can respond with pre-recorded or dynamically generated audio to further direct callers on how to proceed. IVR systems can be used to control almost any function where the interface can be broken down into a series of simple menu choices. Once constructed IVR systems generally scale well to handle large call volumes.

Example Usage 

 A caller dials a telephone number that is answered by an IVR system. The IVR system executes an application which is tied to the number dialed DNIS (Dialed number information service). As part of the application, prerecorded audio files or dynamically generated Text to Speech (TTS) audio explain the options available to the caller. The caller is given the choice to select options using DTMF tones or spoken words. Speech recognition is normally used to carry out more complex transactions and simplifies the application menu structure.

 Typical uses 

IVR systems are typically used to service high call volumes, reduce cost and improve the customer experience. Examples of typical IVR applications are: telephone banking, televoting, and credit card transactions. Large companies use IVR services to extend the business hours of operation. The use of the VUI (Voice User Interface) is designed to match the customer experience of the web interface. Companies have realised that access to voice services is impulsive and readily available. This is due to the high penetration of mobile phones.

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