The Easy Guide to Data and Voice Networking.pdf

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Cisco Easy Guide to Data and Voice
T HE EASY GUIDE TO D ATA AND V OICE N ETWORKING
A GUIDE TO C ONVERGENCE FOR GROWING BUSINESSES
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T HE EASY GUIDE TO D ATA AND V OICE N ETWORKING
A GUIDE TO C ONVERGENCE FOR GROWING BUSINESSES
Here’s a strong candidate for the most important word for the 21st
Century. The word is Convergence. It’s important because it will bring
about one of the most subtle, yet profound changes in our modern way of
life. Almost since its invention, the telephone has been a standard piece of
equipment. We are used to seeing one on every desk in a company and at
least one in every home. Now, the computer is achieving the same status.
It is becoming a necessity, not a luxury. Convergence means the coming
together of computer systems and telephone systems. Why is this so
important? Because, like so many little things, it signifies something
far greater. It means a change in the way that people communicate with
each other.
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CONTENTS
What is a network?
• The re-birth of the telephone
4
The ways we communicate
• The cost factor
5
• The Net connection
5
Definitions and explanations
• What is VoIP?
6
• Quality of Service
6
• Bandwidth and packets
6
• Frame Relay and ATM
7
• The IP solution
7
Convergence in action
• The international network
8
• Education - the academic Intranet
8
• Retail - the virtual department store
9
• The private user
9
Empowering convergence
• QoS - the Cisco Solution
10
• Talking to your PC
10
• Call centre systems
11
• Can you afford not to?
11
Beyond convergence
• A new world of communications
11
Convergence Table of Contents
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