O'Reilly logo

CompTIA CTP+™ Convergence Technologies Professional Certification Study Guide (Exam CN0-201) by Tom Carpenter

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

6Telephony Fundamentals

CERTIFICATION OBJECTIVES

2.3    Identify Common Voice Services and Feature Sets

3.1.4 Telephone Number Mapping

Image Two-Minute Drill

Q&A Self Test

Regardless of who gets the credit, there can be no question that the invention of the telephone has changed our culture and our world. Before the telephone, all communications required either signaling methods that demanded human encoding on the transmission end and human decoding on the receiving end, or written messages that had to be transferred by humans from place to place over long distances. The telephone, for the first time, introduced the potential to speak to other humans ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required