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Welcome to the world of VoIP

Welcome to the world of VoIP. By: Jaime Valles & Shady Mickhail. Our Presentation. Overview of VoIP How does VoIP work Detailed Explanation Advantages and Disadvantages Types of Implementation Products Summary. Overview (What is VoIP?). Voice over Internet Protocol

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Welcome to the world of VoIP

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  1. Welcome to the world of VoIP By: Jaime Valles & Shady Mickhail

  2. Our Presentation • Overview of VoIP • How does VoIP work • Detailed Explanation • Advantages and Disadvantages • Types of Implementation • Products • Summary

  3. Overview (What is VoIP?) • Voice over Internet Protocol • Involves the delivery of voice information over • IP based networks. i.e. Internet • Used to transmit voice, fax, data and multimedia all in one network

  4. How does VoIP Work? • Sends voice information in discrete digital packets rather than sending it through the public switched telephone network (PSTN). • Takes an analogue voice signal and converts it into a digital format so that it can be delivered over an IP network. i.e. Internet. • By using a router-based gateway, a PC-based gateway, a PBX-based gateway and others it can perform the conversion from an analogue signal to a digital format.

  5. Detailed Explanation • PSTN (Public Switched Telephone Network) • POTS based on Circuit Switching • Today it is out of date • ISP’s pay for long distance access • VoIP takes advantage of this

  6. Detailed Explanation • IP telephony • Packet switching using H.323 Standard • Bypass the PSTN through a Gateway • Search Function • Connection • Digitizing • Demodulation • Compression • Decompression and Remodulation

  7. Advantages • No extra Phone Charge • Allows for multiple connections over a single line ex. Voice, fax, data, video. • Multiple users at the same time

  8. Disadvantages • Initial set up cost • Quality issues • Compatibility issues

  9. Types of Implementation • PC to Phone Service • Dialpad.com • PC to PC Service • NetMeeting • Phone to Phone Service • Telephone companies are able to reduce cost by 95% ex. Japan 29cents/min • Network Service

  10. Products (Beamer) • Advantages • Enables you to instantly add video to you phone calls, simply by using your existing phone, and phone line. • No software to install, computer not required and no service fees • Disadvantages • Sends 15 frames per second • Actual speed is 33.6Kbps

  11. Products (Beamer TV) • Advantages • Works with any television (NTSC format) that has a RCA video jack. Also, easy to set up and easy to use • Disadvantages • Modem transmission speed is 33.6Kpbs. • 4 to15 frames per second • Retail Value for both products $149.99 • http://www.vialta.com/

  12. Summary • Positive Outlook • Concerns • Security • Bandwidth management • Advanced Technologies

  13. Thank You!

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