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Show Overview

The Infrastructure Conference
Track i2: Building Next Generation Voice Networks
(Part I of II)

Track Leader:
David Wright, Full Professor
University of Ottawa

This track describes how the telecommunications industry can achieve its current monumental goal: to migrate voice from circuit to packet networks. Networks of products are now available to migrate voice from the circuit switched PSTN to packet switched networks such as ATM and IP. They offer incumbent service providers the opportunity to interwork with or replace existing Tandem, Toll, Class 4 and Class 5 switches, and they offer new service providers switching functionality and feature provision at a fraction of the cost of the circuit switches. This track provides information on the business case and technical capabilities of the new generation of packet voice switches, including convergence switches, soft switches, media aware switches, media gateways, call control servers, signaling gateways and media servers. The track also provides experiences on migration of voice to packet networks, and discusses additional revenue generating voice features and services that are available on packet networks, such as unified messaging and voice/web integration.

The sessions on Wednesday focus on building the network, and consist of two 3hr "How To" sessions. The speakers have coordinated their presentations to lead us through the step by step process of building a converged voice/data network and ensuring that it can provide reliability, scalability and Quality of Service.

The Thursday sessions focus on the voice features, services and applications that run over a converged voice/data network. We start with a combined 3hr session describing new services and applications and their impact on the business case for packet voice. The afternoon sessions describe how voice can be packetized on broadband access and the implications for business customers. Again all speakers have coordinated their presentations to ensure a smooth flow.

On Friday we bring together all these issues with descriptions of case examples showing how carriers migrated voice from circuit to packet transport in practice.

Who Should Attend:
Service Provider Personnel: network planners, and those concerned with traffic integration, and converged networks. Equipment Vendor Personnel: voice feature and functionality designers, marketing personnel, sales engineers, traffic integration designers. End Customer Personnel: data and voice networking managers and engineers.

Wednesday, June 28, 2000

8:00 – 10:45 AM
How to Build a Packet Voice Network

We start the Voice track with a double length "How to" session: How to Build a Packet Voice Network. The Softswitch Architecture developed by the IETF and the ITU and the associated proliferation of protocols, MEGACO, H.323, SIP, need to be implemented differently depending on the transport technology, and how integration with the circuit switched network is to be handled. The session provides an understanding of the architecture and its advantages, a comparative evaluation of the alternative protocols, and a review of implementation alternatives. Last but not least we see how to make money out of this business by a review of integrated billing systems.

  • What network nodes are required?
  • What protocols do they use to communicate with each other?
  • How is this architecture implemented using different technologies?
  • How can a service provider bill for a diverse range of services?


Scott Pickett
Vertical Networks

Ikhlaq Sidhu
Vice President, IP Communications
3Com Corporation

Brian Rosen
Principal Engineer
Fore Systems

Dushyant Sukhija
Manager of Marketing and Field Operations
Cisco Systems, Inc.

1:45 – 4:30 PM
How to Fulfill Service Level Agreements

Increasingly customers are insisting on Service Level Agreements, SLAs, relating to their telecommunication services. SLAs contain a mass of detail on how a service provider should serve a customer, and are particularly important for voice services to dispell any concerns that packet transport is not up to the standards of the PSTN. This session focuses on those aspects of a SLA, that can be provided by the technology: specifically QoS specifications relating to errors and delay introduced by the network; plus reliability specifications relating to percentage down time.

  • Can a customer and a service provider be assured of toll quality voice over a packet network?
  • What are the relative advantages of IP and ATM in achieving toll quality?
  • What is the benefit of Layer 7 switching for voice?


Mike Hluchyj
Founder & CTO
Sonus Networks

Winston McKenna
Product Manager for Voice Applications
Marconi PLC

Larry Young
Director of Business Development

Charlie Kraus
Director of Product Marketing
Top Layer Networks

Asher Waldfogel
CTO & Cofounder
TollBridge Technologies

Morgan Littlewood
Director of Business Development
Cisco Systems

Part II (Track i5)
B-Innovator Broadband Year Tech Library