'Public switched telephone network' presentation slideshows

CEN 4500 Data Communications

CEN 4500 Data Communications. Chapter 2: The Physical Layer. Instructor: S. Masoud Sadjadi http://www.cs.fiu.edu/~sadjadi/Teaching/ sadjadi At cs Dot fiu Dot edu. Recap: Physical Layer. Physical layer is the lowest layer in the hierarchy of the hybrid reference model

940 views • 76 slides

Chapter 7: WANs and Remote Connectivity

Chapter 7: WANs and Remote Connectivity. Network+ Guide to Networks Third Edition. Objectives. Identify network applications that require WAN technology Explain various WAN topologies, including their advantages and disadvantages

1.39k views • 57 slides

Routing and Routers

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Exploiting Open Functionality in SMS-Capable Networks

Exploiting Open Functionality in SMS-Capable Networks. William Enck, Patrick Traynor, Patrick McDaniel, and Thomas La Porta Systems and Internet Infrastructure Security Laboratory Department of Computer Science and Engineering The Pennsylvania State University 2005

680 views • 50 slides

Collaboration Technologies

546 views • 43 slides

707 views • 41 slides

513 views • 39 slides

Public Switched Telephone Network (PSTN II/II)

Public Switched Telephone Network (PSTN II/II). Topics today in PSTN. A: Switching types Connectionless/ connection oriented Packet/circuit B: PSNT exchanges and interfaces interface Q.512 using access and trunk networks signaling network management

851 views • 39 slides

Network Layer and Circuit Switching

Network Layer and Circuit Switching. Networks provide for communication between devices without direct connections. Circuit Switching is the Oldest Networking Technology. Circuit-Switching.

571 views • 33 slides

Wireless Mobile Telephony

Wireless Mobile Telephony. Dr. Arian Durresi CIS Department The Ohio State University Columbus, OH 43210 Durresi@cse.ohio-state.edu. http://www.cse.ohio-state.edu/~durresi/. Overview. Why wireless mobile telephony ? First Generation, Analog technologies Second Generation, Digital :

477 views • 30 slides

CHAPTER 4

CHAPTER 4. VOICE COMMUNICATIONS. PSTN. Public Switched Telephone Network Based on star, ring or mesh topologies Consists of transmission paths and nodes Originally designed to carry voice but being used more and more to carry data Nodes

520 views • 29 slides

Public Switched Telephone Network (PSTN)

Public Switched Telephone Network (PSTN). Topics in PSTN. Introduction review of early exchanges PSTN Standards User services & terminals Modern exchange technology interface standards access and trunk networks signaling network management

975 views • 27 slides

Information Technology Ms. Abeer Helwa

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Voice and Video Over IP

Voice and Video Over IP. NETS3303/3603 Week 11. Lesson Outcomes. What is needed to support multimedia traffic on the Internet How RTP handles data transfer in unicast and multicast sessions The role of RTCP The need for a separate signalling protocol. TCP/IP Protocols. Designed for data

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VoIP - The Challenge for Regulators

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INFOTECH Seminar Advanced Communication Services (ACS), 200 4 Mentor: Dr.-Ing. S. Rupp

INFOTECH Seminar Advanced Communication Services (ACS), 200 4 Mentor: Dr.-Ing. S. Rupp. Security Issues and Solutions for Voice over IP compared to Circuit Switched Networks Andon Batchvarov Institute of Communicati o n Networks and Computer Engineering University of Stuttgart.

561 views • 22 slides

Understanding Wireless

Understanding Wireless http://www.cwt.vt.edu Congressional Wireless Caucus Kickoff September 14, 2000 Rayburn Building, Washington D.C. Wireless is an old name for radio being used again to describe a wide variety of portable devices that rely on radio links for connectivity.

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Lecture #10

IT-101 Section 001. Introduction to Information Technology. Lecture #10. Overview. Chapter 13 The Telephone System: Wired and Wireless Analog Telephone system Digital telephone system Cellular telephone system. Introduction.

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SIMS-201

SIMS-201. The Telephone System. Wired and Wireless. Overview. Chapter 13 The Telephone System: Wired and Wireless Analog Telephone system Digital telephone system Cellular telephone system. Introduction.

598 views • 18 slides

How Should We Think About IP-PSTN Interconnection?

314 views • 9 slides