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Implementing the Converged Enterprise

ATI's Voice, Video and Fax over IP course

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The Internet Protocol has emerged as the overwhelming connectivity choice for corporate data transport. In contrast, digital leased lines, such as T1/T3 circuits, have dominated the voice world. This paradigm is changing, however, as the majority of telecommunication growth is coming from the data — not voice — side of the house. To implement an integrated network requires a number of elements, including terminals supporting the end users, voice and video codecs that perform the analog to digital signal conversion and compression, gatekeepers that perform address translation, bandwidth control, etc., plus gateways to other networks, such as ISDN, ATM, or the PSTN. And all of these components must interoperate, which require adherence to standards, such as the IETF SIP and ITU-T H.323 families of multimedia conferencing standards, for a successful implementation. This one-day tutorial will look at multimedia applications that require integrated voice/data/video/fax transmission, the network architectures necessary to support those applications, and the standards that are in place to ease the interoperability concerns..Instructor:

Mark A. Miller, P.E., has been directly involved with data communication systems and computer networks since 1976. Prior to founding DigiNet Corporation® (, he held a number of engineering and management positions within Southwestern Bell Telephone Company; Bell Telephone Laboratories; and AT&T. Mark has lectured extensively on data communication; internetwork design and management; and troubleshooting and analyzing complex internetworks; and has taught at the Comdex, Comnet, Networld+Interop, Computer Telephony Expo, Next Generation Networks, and many other conferences. He is the author of 19 textbooks on internetwork design, analysis and management, published by John Wiley & Sons and McGraw-Hill. Mark holds both BS and MS degrees in Electrical Engineering, and is a Registered Professional Engineer in Colorado, Arizona, Wyoming and Kansas.

Contact this instructor (please mention course name in the subject line)

What You Will Learn:

  • Understand the key driving factors behind the Voice over IP initiatives: client applications and economic benefits
  • Know the technical differences between voice over the Internet and voice over a corporate intranet
  • Learn the operation of key network components: terminals, gateways, gatekeepers and control units
  • Understand how all of the ITU-T multimedia standards for audio/video coding, signaling, and call management fit together, including ITU-T H.323, T.120, G.723, and others.
  • Learn about the Internet Engineering Task Force’s initiatives in support of multimedia over the Internet: Internet Protocol version 6 (IPV6), the Real Time Protocol (RTP), the Session Initiation Protocol (SIP) and others
  • Realize the importance of implementation agreements and interoperability testing
  • Understand how Quality of Service (QoS) issues become key factors for a successful multimedia network implementation
  • Learn how leading vendors are implementing voice, fax and video over IP in their product lines
  • Discover what constraints Voice, Fax and Video applications place on an IP network design.
  • See how key factors such as bandwidth management, quality of service, and reliability can impact your network implementation.

Focus Sentence:

    This seminar will look at multimedia applications that require integrated voice/data/video/fax transmission, the network architectures necessary to support those applications, and the standards that are in place to ease the interoperability concerns.

Course Outline

  1. Principles of Converged Networks. The Promise of Network Convergence. Connectionless vs. Connection-Oriented Network Architectures. Voice and Data Network Characteristics. Voice and Data Network Growth Factors. Benefits of the IP-Centric Network. Provisioning the Converged Network. Challenges of the Converged Network.

  2. Applications for the Converged Network. Telephone-to-PC Communication via the Internet. International VoIP Network Consortiums. Replacing International Leased Lines. Voice-Enabled Electronic Commerce. Video over IP.

  3. The Business Case for Converged Networks. Fundamental Financial Assumptions. Network Traffic Assumptions. Quantifying the Business Case. Example Scenarios for Converged Networks. Case Study: Medical Systems Manufacturer. Appendix: Financial Analysis White Papers.

  4. Protocols for the Converged Network. The ARPA Network Architecture. The ARPA Protocols. Packet Transport: IPv4 and IPv6. Packet Addressing. Packet Routing: RIP, OSPF, EGP and BGP. Host Name - Address Translation. End-to-End Reliability: UDP and TCP. Protocols Supporting VoIP: RTP, RTCP, RSVP, RTSP and SDP.

  5. WAN Transport for Converged Networks. WAN Transport Alternatives. T1/T3 Digital Lines. ISDN Connections. Transmitting IP Datagrams over Serial Lines. IP over Frame Relay Networks. Voice over Frame Relay Networks. IP over ATM Networks. Voice over ATM Networks. Voice over DSL Networks.

  6. Signaling Standards for Converged Networks. ITU-T H.323. IETF Session Initiation Protocol (SIP). Gateway Control: MGCP and MEGACO/H.248.

  7. Hardware Systems for Converged Networks. Converged Network Environments. Terminals. Audio and Video Codecs. Gateways. Terminal-to-Gateway Communication. Gatekeepers. Multipoint Control Units. Softswitches. Call Processing Examples.

  8. Implementing the Converged Network. Interoperability Frameworks. Quality of Service. Implementing Quality of Service. Deploying the Converged Network.


    Tuition for this one-day course is $890 per person at one of our scheduled public courses. Onsite pricing is available. Please call us at 410-956-8805 or send an email to