9781423902454_PPT_ch - Network Guide to Networks 5th Edition Chapter 11 Voice and Video Over IP Objectives Use terminology specific to converged

Info iconThis preview shows pages 1–10. Sign up to view the full content.

View Full Document Right Arrow Icon
Network+ Guide to Networks 5 th Edition Chapter 11 Voice and Video Over IP
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Network+ Guide to Networks, 5 th Edition 2 Objectives Use terminology specific to converged networks Explain VoIP (voice over IP) services and their user interfaces Explain video-over-IP services and their user interfaces Describe VoIP and video-over-IP signaling and transport protocols, including SIP, H.323, and RTP Understand QoS (quality of service) assurance methods critical to converged networks, including RSVP and DiffServ
Background image of page 2
Network+ Guide to Networks, 5 th Edition 3 Terminology IP telephony (VoIP) Any network carrying voice signals using TCP/IP Public or private Runs over any packet-switched network VoATM (voice over ATM) VoDSL (voice over DSL) Data connection types carrying VoIP signals T-carriers, ISDN, broadband cable, satellite connections, WiFi, WiMAX, cellular telephone networks
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Network+ Guide to Networks, 5 th Edition 4 Terminology (cont’d.) Internet telephony VoIP relies on Internet Advantage: breadth and low cost Private lines Carry VoIP calls Effective and economical Network congestion control capabilities Better sound quality
Background image of page 4
Network+ Guide to Networks, 5 th Edition 5 Terminology (cont’d.) Non-data applications on converged networks FoIP (Fax over IP) IPTV (IP television) Videoconferencing Multiple participants communicate and collaborate via audiovisual means Streaming video Compressed video delivered in continuous stream Webcasts Streaming videos supplied via the Web
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Network+ Guide to Networks, 5 th Edition 6 Terminology (cont’d.) Multicasting One node transmits same content to every client in group Video over IP IPTV, videoconferencing, streaming video, IP multicasting Unified communications (unified messaging) service Several communication forms available from single user interface
Background image of page 6
VoIP (Voice over IP) Applications and Interfaces Significant VoIP implementation reasons Lower voice call costs New, enhanced features and applications Centralize voice and data network management Voice and data configurations Traditional telephone (sends, receives analog signals) Telephone specially designed for TCP/IP transmission Computer with microphone, speaker, VoIP client software Mixture Network+ Guide to Networks, 5 th Edition 7
Background image of page 7

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Analog Telephones Using traditional telephone, digital VoIP connection Must convert voice signals into bits Analog-to-digital conversion Codec Method to accomplish analog signal compressing, encoding ATA (analog telephone adapter) Card within computer workstation, externally attached device Telephone line connects to RJ-11 adapter port Converts analog voice signals to IP packets Network+ Guide to Networks, 5 th Edition 8
Background image of page 8
Network+ Guide to Networks, 5 th Edition 9 Analog Telephones (cont’d.) Figure 11-1 ATA (analog telephone adapter)
Background image of page 9

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 10
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 07/21/2011 for the course ISYS 271 taught by Professor Dan during the Fall '10 term at Southwestern Michigan College.

Page1 / 62

9781423902454_PPT_ch - Network Guide to Networks 5th Edition Chapter 11 Voice and Video Over IP Objectives Use terminology specific to converged

This preview shows document pages 1 - 10. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online