The interactive voice response (ivr) system serves as a bridge between people & computer by connecting the telephone
network with instructions. The telephone user can access the information from anywhere at anytime simply by dialing a specified number
and following an automated instruction when a connection has been established. The IVR system uses pre-recorded or computer generated
voice responses to provide information in response to an input from a telephone caller. The input may be given by means of touch-tone or
Dual Tone Multi-Frequency (DTMF) signal, which is generated when a caller presses a key of his/her telephone set, and the sequence of
messages to be played is determined dynamically according to an internal menu structure (maintained within the IVR application program)
and the user input. The IVR System which will be designed to provide an ideal platform for the operation of start-ups and existing small
concern . It will be a highly economical & efficient way to replace the Dialogic card which is very costly and requires a high maintenance
and regular up gradation.

i want leterture survey of ivrs system based collage automation.