Introduction to Telecommunications

A brief overview of some of the concepts and technologies relating to digital voice transmissions.

Computer Telephony Integration

A look at some of the solutions that are being implemented involving the combination of computers and telephony and the methods of operation of some of these applications.

Voice Over IP Introduction

A summary of Voice over IP and the components used to build a complete Voice over IP solution. Looks at the common protocols used for Voice over IP including H.323, SIP and MCGP

Why use Voice over IP ?

An outline of the challenges that face users and integrators of Voice over IP solutions and the benefits of migrating to Voice over IP.

H.323 Protocol

A look at this core protocol used to supply Voice over IP solutions. In particular how it functions, how it integrates with IP and the phases of setting up a call. Also looks at the supplementary protocols used by H.323 including RTP and RTCP.

Emerging Voice over IP Protocols

An overview of emerging Voice over IP protocols, in particular Session Initiation Protocol (SIP) and Media Gateway Control Protocol (MCGP). In addition looks at how Resource Reservation Protocol can be used to assist with the control of Voice over IP calls.

Quality of Service

The lack of in built quality of service protocols into TCP/IP means that methods need to be implemented to ensure secure and logical transfer of voice data over IP networks. This section looks at the issues concerning Quality of Service and some of the methods used to ensure a satisfactory service.

Implementing Voice over IP

An overview of some of the products, services and applications available for the installation and  operation of Voice over IP service and networks.

Other Voice over Data Technologies

A review of some of the other methods for transporting voice packets using data networks. Includes Voice over Frame Relay and Voice over ATM.