COURSE OUTLINE

1. Voice Network Design Process

- Setting Objectives

- Gathering Design Data

- Evaluating Alternatives

- Implementing And Follow Up

2. Traffic Engineering Principles

- What Is Traffic?

- Units Of Measure (CCS, Erlang)

- Calculating Or Estimating Busy Hour

- Level Of Service Definitions And Objectives

            - Queuing Theory Basics

            - Poisson Arrival Process

            - Exponentially Distributed Holding Times

            - Queuing Versus Blocking

            - Infinite And Finite Source Assumptions

3. Analytic Traffic Engineering Models

            - Erlang B

            - Molina Trunking Formula (Poisson)

            - Extended Erlang B

            - Engset Modification (Finite Sources)

            - Equivalent Random Theory

            - Erlang C

            - When To Use Which Model

            - Review Excel spreadsheet for these

4. Designing Single Site Systems

            - Review Of PABX Architecture

            - Gathering Usage Data

            - Examining Peak Usage Sensitivity

            - Determining Trunk Quantities

            - Determining The Number Of Operators and ACD agents

            - Getting The Most From Automatic Route Selection

            - When To Use Fixed Cost Versus Usage Sensitive

                Facilities

            - Using Call Queuing To Increase Line Utilization; is it

                worth it?

            - Min./ Max. calculation for ISDN Primary Rate lines

5. Designing Multi-site Systems

            - Tandem node selection algorithms (Add, Drop)

            - Tandem trunking traffic engineering

            - Alternate routing

            - Numbering plans

6. Designing Integrated Voice / Data Systems

            - Analog to digital encoding schemes

            - Designing with voice/data multiplexers

            - Characteristics of data applications

            - Effect of data users on trunk groups

            - Tariff implications

            - What are the benefits?

  - Evaluating the potential impact of ISDN on future

       network designs

  - Supporting Internet Service Providers (ISP), a nightmare

       waiting to happen?