Answer:
Interactive voice response
Explanation:
Interactive voice response (IVR) is a technological innovation which allows computer systems to interact with individuals with the use of voice and Dual-tone multi-frequency signaling (DTMF) tones input through a keypad. In telecommunications sector, IVR enables customers to interact with a company’s host system through the use of a telephone keypad or by using speech recognition, after which services can be accessed by the use of the IVR dialogue.