Select the technology that enables interaction between a caller and a computer via the telephone.
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IVR
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Citrix
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Mainframe
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MQ Series
A
Correct answer
Explanation
IVR (Interactive Voice Response) is the technology that allows automated interaction between a telephone caller and a computer system through voice or keypad inputs. It uses pre-recorded messages and text-to-speech technology to guide callers through menu options without human intervention. Citrix is virtualization software, Mainframe is a large computer system, and MQ Series is messaging middleware - none of these handle direct caller-computer telephone interaction.