1 / 18

Unit 1

Overview of the (Public Switched Telephone Network) PSTN. Unit 1. Objectives. Describe the history and explain the basic parts and services of the PSTN Describe the evolution of the modern day PSTN.

gayle
Télécharger la présentation

Unit 1

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Overview of the (Public Switched Telephone Network) PSTN Unit 1

  2. Objectives • Describe the history and explain the basic parts and services of the PSTN • Describe the evolution of the modern day PSTN. • Explain the basic parts of the PSTN, such as signaling, analog and digital waves, and call flow. • Explain PSTN Numbering Plans. • Describe and explain the various services and applications that the PSTN uses. • Explain the drivers behind convergence between voice and data networking • Describe the drivers behind the current convergence of voice and data networking. • Explain the proposed new PSTN infrastructure model. • Compare and contrast the differences between the PSTN and enterprise telephony • Identify the basic features of Enterprise Telephony. • Provide common Enterprise Telephony designs • Describe some of the more common Enterprise Telephony Designs.

  3. Basic Four Phone Network

  4. Physical Cable Between All Telephone Users

  5. Centralized Operator: The Human Switch

  6. Analog Waveform

  7. Analog Line Distortion

  8. Digital Line Distortion

  9. Circuit Switching Hierarchy

  10. DTMF

  11. PSTN Call Flow

  12. Circuit Switching vs. Packet Switching

  13. H.323. Call Flow

  14. Elements of Packet Telephony

  15. VPN

  16. PSTN Call Through a PBX

  17. Number Translation Through a PBX

  18. Tie-line Cost Comparisons

More Related