An overview of telephone networking introduces you to the components and how they are connected with the real world. You then learn the basics of the nonelectronic telephone set - and get an understanding of vital telephone functions. The book explores speech signal processing, telephone line interfacing, tone and pulse generation, and ringers. These concepts and principles are accompanied by a thorough look at the world of digital communications. The book spells out the advantages and disadvantages of digital transmission, sampling, coding, and the various formats of multiplexed systems. The Central Office and all the various transmission modes are included, providing a complete look at telephone systems. Plus, you learn the evolving features of network transmission and wireless telephones.