SRI BALAJI COLLEGE OF ENGINEERING &TECHNOLOGY A SEMINAR ON  “ VOICE OVER INTERNET PROTOCOL ” SUBMITTED BY: - SATYA PRAKASH...
INTRODUCTION <ul><li>Voice over Internet Protocol (VoIP) is a transmission technology for delivery of voice communications...
Roadmap <ul><li>Basics of packet communications as used in the Internet </li></ul><ul><li>How voice is transmitted over pa...
Making rules for VOIP <ul><li>IETF (INTERNET ENGG. TASK FORCE) </li></ul><ul><li>This community of engineers that standard...
 
 
Various Types of Protocols  <ul><li>MEGACO(H.248) [media gateway con.pro.] </li></ul><ul><li>MGCP (H.323) [media gateway c...
Protocol Layering Physical Transport (e.g, Cable Modem) IP  (Internet Protocol) TCP UDP Applications (e.g., email, web pag...
Alternative VoIP Architectures <ul><li>PC  to PC </li></ul>Internet
Alternative VoIP Architectures <ul><li>Phone to Phone via the Internet  </li></ul>Internet
Alternative VoIP Architectures <ul><li>Phone to Internet to Gateway to PSTN  </li></ul>Internet GATEWAY PSTN
VoIP Examples <ul><li>Xbox Voice </li></ul><ul><li>Windows messenger </li></ul><ul><li>AOL Instant Messenger </li></ul><ul...
Vonage Uses this Archtecture <ul><li>Phone to Internet to Gateway to PSTN   </li></ul>Internet GATEWAY PSTN
Motorola Box in Vonage Architecture Internet GATEWAY PSTN
Cisco 7970 IP Phone
Service provide by voice over IP <ul><li>PHONE TO PHONE  </li></ul><ul><li>PHONE TO PC </li></ul><ul><li>PC TO PHONE </li>...
The Power Of VoIP <ul><li>cheaper than PSTN service providers </li></ul><ul><li>compatible with web-based applications </l...
Concluding Thoughts <ul><li>VoIP is one of many higher-level communications capabilites among devices connected to the Int...
THANKS   FOR YOUR  KIND COPERATION
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VOICE OVER INTERNET PROTOCOL

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VOICE OVER INTERNET PROTOCOL

  1. 1. SRI BALAJI COLLEGE OF ENGINEERING &TECHNOLOGY A SEMINAR ON “ VOICE OVER INTERNET PROTOCOL ” SUBMITTED BY: - SATYA PRAKASH VYAS
  2. 2. INTRODUCTION <ul><li>Voice over Internet Protocol (VoIP) is a transmission technology for delivery of voice communications over IP networks . </li></ul><ul><li>Internet telephone call are conversion of the analog voice signal to digital format and compression/translation of the signal into Internet protocol packets. </li></ul><ul><li>With VoIP, we can make a call from anywhere if we have broadband connectivity </li></ul>
  3. 3. Roadmap <ul><li>Basics of packet communications as used in the Internet </li></ul><ul><li>How voice is transmitted over packet networks such as the Internet. </li></ul><ul><li>Examples of VoIP uses and systems </li></ul><ul><li>Concluding thoughts </li></ul>
  4. 4. Making rules for VOIP <ul><li>IETF (INTERNET ENGG. TASK FORCE) </li></ul><ul><li>This community of engineers that standardizes the protocol that defines how the internet and internet protocol work </li></ul><ul><li>ITU ( INTERNATIONAL TELICOMM. UNION) </li></ul><ul><li>An international organization where govt. & private sector coordinate global telicom network and services </li></ul>
  5. 7. Various Types of Protocols <ul><li>MEGACO(H.248) [media gateway con.pro.] </li></ul><ul><li>MGCP (H.323) [media gateway con. Pro.] </li></ul><ul><li>RVP [ remote voice protocol] </li></ul><ul><li>SIP [session initiation protocol ] </li></ul>
  6. 8. Protocol Layering Physical Transport (e.g, Cable Modem) IP (Internet Protocol) TCP UDP Applications (e.g., email, web pages) Email Data (1000 bytes) TCP Header (20 bytes) IP Header (20 bytes) A Typical IP Datagram
  7. 9. Alternative VoIP Architectures <ul><li>PC to PC </li></ul>Internet
  8. 10. Alternative VoIP Architectures <ul><li>Phone to Phone via the Internet </li></ul>Internet
  9. 11. Alternative VoIP Architectures <ul><li>Phone to Internet to Gateway to PSTN </li></ul>Internet GATEWAY PSTN
  10. 12. VoIP Examples <ul><li>Xbox Voice </li></ul><ul><li>Windows messenger </li></ul><ul><li>AOL Instant Messenger </li></ul><ul><li>Motorola Phone Adapter (Vonage) </li></ul><ul><li>Cisco Phone </li></ul>
  11. 13. Vonage Uses this Archtecture <ul><li>Phone to Internet to Gateway to PSTN </li></ul>Internet GATEWAY PSTN
  12. 14. Motorola Box in Vonage Architecture Internet GATEWAY PSTN
  13. 15. Cisco 7970 IP Phone
  14. 16. Service provide by voice over IP <ul><li>PHONE TO PHONE </li></ul><ul><li>PHONE TO PC </li></ul><ul><li>PC TO PHONE </li></ul><ul><li>FAX TO E-MAIL </li></ul><ul><li>E-MAIL TO FAX </li></ul><ul><li>FAX TO FAX </li></ul><ul><li>WIRELESS CONECTIVITY </li></ul><ul><li>PABX & SOFT SWITCH IMPLEMENTATION </li></ul>
  15. 17. The Power Of VoIP <ul><li>cheaper than PSTN service providers </li></ul><ul><li>compatible with web-based applications </li></ul><ul><li>enabling the user to change, adjust , or listen to these features </li></ul><ul><li>over the Internet. </li></ul><ul><li>Long distance is usually provided free of charge.  </li></ul>
  16. 18. Concluding Thoughts <ul><li>VoIP is one of many higher-level communications capabilites among devices connected to the Internet. </li></ul><ul><li>VoIP is not an application. </li></ul><ul><li>VoIP is a capability that is part of many applications. </li></ul><ul><li>VoIP capabilities are already pervasive. </li></ul>
  17. 19. THANKS FOR YOUR KIND COPERATION
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