Annotation Most texts on this subject focus heavily on the mathematical aspects of communication technologies. Managers today do not need to know how to figure out the quantization processing of an analog sample to a digital format, they simply need to know how it works. Introduction to Communications Technologies: A Guide for Non-Engineers is a basic text on telecommunications for undergraduate and graduate students as well as a reference for professionals. While dealing with the engineering aspects of communication, it provides a quick tutorial for those seeking to understand how communication technologies operate. Topics include systems, electricity, signaling, telephony, switching, wireless, CTI, and video.