Voip Presentation 693p3a

PRESENTED BY Dibyakanta Moharana Regd.No-0801294262 Branch-IT (F1) 6TH Sem

.

CONTENTS

VOIP

Introduction  Background  Requirements  Classification of connection  Basic system components of VOIP 

Cont…. 2

DIBYAKANTA MOHARANA

DEPT. OF IT REC,BHUBANESWAR

16/2/2011

Protocols of VOIP VOIP  Benefits of VOIP  Application of VOIP  Development of challenges  VOIP market in India  Is VOIP future of telecommunication  Conclusion 

DIBYAKANTA MOHARANA

DEPT. OF IT REC,BHUBANESWAR

3

16/2/2011

WHAT IS VOIP ?

VOIP



Voice over Internet Protocol



Voice communication using IP.



It is the ability to make telephone calls over IP based network with suitable QOS and at low cost .

DIBYAKANTA MOHARANA

DEPT. OF IT REC,BHUBANESWAR

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16/2/2011

VOIP

HOW DOES IT WORK ? 1.Digitalize the voice in data packets(ADC)-Source side 2.Sending the data. 3.Reconverting them in voice(DAC)-Destination side 5

DIBYAKANTA MOHARANA

DEPT. OF IT REC,BHUBANESWAR

16/2/2011

BACKGROUND

VOIP

1.The past(only PSTN) 2.The present(PC & Internet) 3.The future(many PC & high speed internet) 6

DIBYAKANTA MOHARANA

DEPT. OF IT REC,BHUBANESWAR

16/2/2011

VOIP

REQUIREMENTS 1. Hardware requirements -PC -Sound card(Full duplex) -Internet connection 2. Software requirements -Operating system 7

DIBYAKANTA MOHARANA

DEPT. OF IT REC,BHUBANESWAR

16/2/2011

VOIP

CLASSIFICATION OF CONNECTION 1. PC to PC 2. PC to telephone or Telephone

to PC 3. Telephone to telephone DIBYAKANTA MOHARANA

DEPT. OF IT REC,BHUBANESWAR

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PC to PC

VOIP

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DEPT. OF IT REC,BHUBANESWAR

16/2/2011

VOIP

PC to telephone or Telephone to PC

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DEPT. OF IT REC,BHUBANESWAR

16/2/2011

VOIP

Telephone to telephone

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DIBYAKANTA MOHARANA

DEPT. OF IT REC,BHUBANESWAR

16/2/2011

BASIC SYSTEM

VOIP

COMPONENTS OF VOIP

1. Clients 2. Servers

3. Gateways

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DIBYAKANTA MOHARANA

DEPT. OF IT REC,BHUBANESWAR

16/2/2011

CLIENTS

VOIP

1. A suit of software running on

a PC (GUI) 2. Virtual Clients 13

DIBYAKANTA MOHARANA

DEPT. OF IT REC,BHUBANESWAR

16/2/2011

SERVERS

VOIP

1. For commercial view complex DB operation is required. 2. Such as validation,ing,billing. 14

DIBYAKANTA MOHARANA

DEPT. OF IT REC,BHUBANESWAR

16/2/2011

GATEWAYS

VOIP

. Provides a bridge between the local PSTN and IP network for both originating & terminating call. . Must employ a common protocol . 15

DIBYAKANTA MOHARANA

DEPT. OF IT REC,BHUBANESWAR

16/2/2011

VOIP

PROTOCOLS OF VOIP 1.Signalling protocol or call control protocol Ex. SIP ,S/MG,H.323 2.Transport media protocol Ex. RTP/RT 16

DIBYAKANTA MOHARANA

DEPT. OF IT REC,BHUBANESWAR

16/2/2011

VOIP

Signalling protocol 1. Call control protocol-start the call set up. 2.Logical channel protocolcontrol BW & channel no. . 17

DIBYAKANTA MOHARANA

DEPT. OF IT REC,BHUBANESWAR

16/2/2011

VOIP

STANDARD INSTUTION 1. IETF-Internet Engineering Task Force 2. ITU-T-International Telecommunication Union 18

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DEPT. OF IT REC,BHUBANESWAR

16/2/2011

IETF

VOIP

. Published the SIP & S/MG

protocol. . Session Initiation Protocol . Media Gateway Protocol . Both text based protocol 19

DIBYAKANTA MOHARANA

DEPT. OF IT REC,BHUBANESWAR

16/2/2011

ITU-T

VOIP

. Published the H.323 protocol.

. Designed for video conferrence application.

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DIBYAKANTA MOHARANA

DEPT. OF IT REC,BHUBANESWAR

16/2/2011

MEGACO

VOIP

. Both IETF & ITU-T make cooperation to enhance the MG to be MEGACO. . Future VOIP protocol. 21

DIBYAKANTA MOHARANA

DEPT. OF IT REC,BHUBANESWAR

16/2/2011

VOIP

Transport Media Protocol .Defines VOIP quality. .Ex.RTP/RT .Real Time Protocol/Real Time Control Protocol 22

DIBYAKANTA MOHARANA

DEPT. OF IT REC,BHUBANESWAR

16/2/2011

BENEFITS OF VOIP VOIP

.Low cost .Network efficiency

.Single network infrastructure .VOIP is as easy to use as a

telephone 23

DIBYAKANTA MOHARANA

DEPT. OF IT REC,BHUBANESWAR

16/2/2011

VOIP

APPLICATIONS OF VOIP .Office to Office communication .Enterprise environment application .Residental application 24

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DEPT. OF IT REC,BHUBANESWAR

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VOIP

Enterprise Environment Application

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DEPT. OF IT REC,BHUBANESWAR

16/2/2011

DEVELOPMENT OF CHALLENGES

VOIP

. Audio quality . Packet loss . Delay(Echo & Talker Overlap) . friendly design . Easy configuration . Security issue . Billing issue 26

DIBYAKANTA MOHARANA

DEPT. OF IT REC,BHUBANESWAR

16/2/2011

VOIP

VOIP MARKET IN INDIA . Second biggest VOIP market (USD2.8 billion)in Asia region ,after China(by IDC ,Asia) . IDC expects revenues from VOIP from Asia to be worth USD13.8 billion 27

DIBYAKANTA MOHARANA

DEPT. OF IT REC,BHUBANESWAR

16/2/2011

IS VOIP THE FUTURE OF TELECOMMUNICATION VOIP

. Dedicated connection is not required. . High speed. . Less expensive. . It is based on IP. 28

DIBYAKANTA MOHARANA

DEPT. OF IT REC,BHUBANESWAR

16/2/2011

CONCLUSIONS

VOIP

.VOIP offers opportunity to increase robustness and decrease costs ,so the future communication is IP technology 29

DIBYAKANTA MOHARANA

DEPT. OF IT REC,BHUBANESWAR

16/2/2011

COMMON VOIP CONNECTION DIBYAKANTA MOHARANA

DEPT. OF IT REC,BHUBANESWAR

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16/2/2011

VOIP

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DIBYAKANTA MOHARANA

DEPT. OF IT REC,BHUBANESWAR

16/2/2011

VOIP

Questions? 32

DIBYAKANTA MOHARANA

DEPT. OF IT REC,BHUBANESWAR

16/2/2011

Happy Holi