Interactive Voice Response System


This  Electronics Engineering Seminar Topic deals with the following:

IVRS is an important development in the field of interactive communication which makes use of the most modern technology available today. IVRS is a unique blend of both the communication field and the software field, incorporating the best features of both these streams of technology. IVRS is an electronic device through which information is available related to any topic about a particular organization with the help of telephone lines anywhere in the world.

IVRS provides a friendly and faster self service alternative to speaking with customer service agents. It finds a large scale use in enquiry systems of railways, banks, universities, tourism, industry etc. It is the easiest and most flexible mode of  interactive communication because pressing a few numbers on the telephone set provides the user with a wide range of information on the topic desired. IVRS reduces the cost of servicing customers.

IVRS- INTERACTIVE VOICE RESPONSE SYSTEM
The IVRS on the whole consists of the user telephone, the telephone connection between the user and the IVRS and the personal computer which stores the data base. The interactive voice response system consists of the following parts.

HARDWARE SECTION
1. Relay: For switching between the ring detector and the DTMF decoder.
2. Ring detector: To detect the presence of incoming calls.
3. DTMF decoder: To convert the DTMF tones  to 4 bit BCD codes.
4. Micro controller: To accept the BCD calls, process them and transmit them serially to the PC.
5. Level Translator: To provide the interface between PC and micro controller.
6. Personal Computer: To store the data base and to carry out the text to speech conversion.
7. Audio Amplifier: To provide audio amplification to standard output and to act as a buffer between the telephone line and sound card.

OPERATIONS OF IVRS
The user dials the phone number connected to the IVRS. The call is taken over by the IVRS after a delay of 12 seconds during which the call can be attended by the operator. After 12 seconds if the ring detector output is low, it is ensured that the phone has not been picked up by the operator. The microcontroller then switches the relay to the DTMF and sends a signal via RS 232 to the pc to run the wave file welcoming the user to the IVRS. The user is also informed of the various codes present in the system, which the user dial in order to access the necessary information.

Thirty seconds are given to the user to press the codes, failure of which results in switch back of the relay. The DTMF decoder converts the codes pressed by the user to BCD. It is then pressed to the input pins of the microcontroller and is stored in the microcontroller memory. After these codes have been received, they are transmitted serially to the serial port of the PC via max232 IC. Any hardware failure in transmission falls in the lightning of a LED and the relay is switched back.

The serial port of the PC is continually polled by the software used such as Visual Basics and Microsoft Agent program and the received code words are put in the text box from the input buffer. The received personal identification number (PIN) is compared with the stored data base to determine the result. The corresponding wave file is played by the sound blaster card. It is coupled to the telephone line through the Audio Amplifier, which is connected between the sound blaster and the telephone line to amplify the blaster output, drive the telephone line acts as the buffer for sound blaster.

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43 Comments

  • jyoti
    July 1, 2010 at 8:57 am

    good

  • nesamoorthy
    July 20, 2010 at 2:47 am

    good

  • saroj kumar mahanta
    July 22, 2010 at 12:34 am

    good and very helpful

  • Sumit kumar
    July 24, 2010 at 3:42 am

    Sir its to good but i wana the ppt of ivrs so i reqst to u plz send the the ppt of ivrs on my email id skumar030489@gmail.com

  • vivek
    August 6, 2010 at 12:33 am

    i wana the ppt of ivrs so i reqst to u plz send the the ppt of ivrs on my email id
    anandvivek70_2011@yahoo.com

  • prashant paul
    August 8, 2010 at 1:47 pm

    the seminar is good & quite interesting but will u please send me its powerpoint presentation with slide show on my ID….

  • neha
    August 12, 2010 at 5:48 am

    it’s nice…
    pls send ppt on my email id

  • syedali
    January 13, 2011 at 6:19 am

    good

  • ramanand kuamr
    March 3, 2011 at 10:49 am

    sir,please send ppt of this topic on my mail, urgently………..thak you

  • malathi
    March 25, 2011 at 5:50 am

    ppt of ivrs as soon as possible

  • Soyeb
    March 27, 2011 at 11:33 am

    very good topic..plz send ppt on my id…thnk u

  • karishma
    April 8, 2011 at 4:58 am

    plz send me ppt of 30 slids and report of 80 pages on ivrs send to karishma_patel80@yahoo.com its urgent 😀

  • manu
    April 10, 2011 at 11:43 pm

    plz send report for this one

  • nijo
    July 2, 2011 at 12:16 am

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  • jitesh
    August 8, 2011 at 1:10 am

    plz send me ivrs seminar ppt

  • jitesh
    August 8, 2011 at 1:12 am

    Sir send ppt immediatly

  • sahithi
    August 19, 2011 at 10:23 pm

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  • unni
    November 30, 2011 at 2:22 am

    good

  • navya
    December 7, 2011 at 10:57 am

    sir plz send me the slideshow presentation of this topic….it’s urgent..

  • surendra reddy
    December 28, 2011 at 12:11 am

    its very nice

  • prasanna
    January 6, 2012 at 5:02 am

    i like it.can u please send me slideshow of this topic

  • supriya
    January 6, 2012 at 10:49 am

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  • manasa
    January 23, 2012 at 5:54 am

    sir pls send me the total ppt of this topic

  • teja
    January 26, 2012 at 3:29 am

    sir
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  • teja
    January 26, 2012 at 3:30 am

    sir
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  • sowjanya
    January 26, 2012 at 7:47 am

    sir pls send me ppt of ivrs as soon as possible.

  • dev
    January 29, 2012 at 7:15 am

    sir please send me ppt of this top & any one having ppt abt ivrs send me plzzz my id lukky9nani@gmail.com

  • ravi raj
    February 1, 2012 at 1:42 am

    it is good so i wana more informaton about it so kindly send me it’s power point presentaion on my email id which is “ravi.nic01@gmail.com” i will be highly oblied to u

  • jayander
    February 17, 2012 at 10:34 pm

    i need ppt for ivrs to my mail

  • priyanka
    February 20, 2012 at 7:22 am

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  • ahamed
    February 20, 2012 at 8:20 am

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  • ravi teja
    February 23, 2012 at 8:05 am

    its
    good
    but i need ppt to my mail send it as soon as possible
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  • nithya
    March 5, 2012 at 5:11 am

    topic is good. so plz send me full report.

  • nithya
    March 5, 2012 at 5:12 am

    plz send me a full report for interactive voice response system

  • shobha
    March 7, 2012 at 12:14 am

    plz send me the ppt on ivrs…..

  • sowmya
    March 21, 2012 at 8:36 am

    sir pls send me ppt of ivrs as soon as possible.

  • mohanrao
    April 3, 2012 at 11:17 pm

    please documentation to me

  • Anoop Anand
    July 1, 2012 at 6:15 am

    i wana the ppt of ivrs so i reqst to u plz send the the ppt of ivrs on my email id

  • karthik
    July 10, 2012 at 11:35 pm

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  • Diksha
    August 8, 2012 at 9:19 am

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  • disha makkar
    September 6, 2012 at 9:24 am

    please forward the ppt to me at my id. thank u!

  • Haseena Shaik
    December 9, 2012 at 11:42 pm

    Please mail me ppt of ivrs…to haseenashaikece@gmail.com

  • pudi sirisha
    January 8, 2013 at 7:10 am

    sir please mail me ivrs ppt please

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