Chapter 1
An Introduction to Traditional Telephony and Cisco Unified Communications
THE FOLLOWING CVOICE EXAM OBJECTIVES ARE COVERED IN THIS CHAPTER:
- Describe the components of a gateway.
- Describe the function of gateways.
- Describe a dial plan.
- Describe a numbering plan.
Evolution is the process of something changing over time into a more complex state where it can better adapt to its environment. Evolution typically is triggered only when outside forces require changes to be made. Technology also evolves into newer and more useful tools over time. While the analog phone is still around, advances have been made and telephones have evolved ...
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