VoIP Cisco Voice Over IP CVOICE Student Guide V4.2.PDF

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CVOICE
Cisco Voice Over IP
Version 4.2
Student Guide
Copyright © 2004, Cisco Systems, Inc.
Student Guide
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Copyright 2004, Cisco Systems, Inc. All rights reserved.
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Copyright 2004, Cisco Systems, Inc. All rights reserved. CCIP, the Cisco Powered Network mark, the
Cisco Systems Verified logo, Cisco Unity, Follow Me Browsing, FormShare, Internet Quotient, iQ
Breakthrough, iQ Expertise, iQ FastTrack, the iQ logo, iQ Net Readiness Scorecard, Networking Academy,
ScriptShare, SMARTnet, TransPath, and Voice LAN are trademarks of Cisco Systems, Inc.; Changing the Way
We Work, Live, Play, and Learn, Discover All Thats Possible, The Fastest Way to Increase Your Internet
Quotient, and iQuick Study are service marks of Cisco Systems, Inc.; and Aironet, ASIST, BPX, Catalyst,
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IOS logo, Cisco Press, Cisco Systems, Cisco Systems Capital, the Cisco Systems logo, Empowering the Internet
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Cisco Systems, Inc. and/or its affiliates in the U.S. and certain other countries.
All other trademarks mentioned in this document or Web site are the property of their respective owners. The
use of the word partner does not imply a partnership relationship between Cisco and any other company.
(0203R)
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Enterprise Voice Over Data Design (EVODD) v3.3
Copyright © 2004, Cisco Systems, Inc.
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Table of Contents
Course Introduction
1
Overview
1
Course Goal and Objectives
1
Course Outline
2
Cisco Certifications
3
Learner Skills and Knowledge
4
Learner Responsibilities
5
General Administration
6
Icons and Symbols
8
Learner Introductions
9
Introduction to Packet Voice Technologies
1-1
Overview
1-1
Module Objectives
1-2
Understanding Traditional Telephony
1-3
Overview
1-3
Relevance
1-3
Objectives
1-3
Learner Skills and KnowledgeNet
1-3
Basic Components of a Telephony Network
1-5
CO Switches
1-7
Private Switching Systems
1-9
Call Signaling
1-13
Multiplexing Techniques
1-18
Summary
1-20
References
1-20
Quiz
1-21
Quiz Answer Key
1-27
Understanding Packetized Telephony Networks
1-25
Overview
1-25
Relevance
1-25
Learner Skills and KnowledgeNet
1-25
Outline
1-26
Benefits of Packet Telephony Networks
1-27
Call Control
1-29
Distributed vs. Centralized Call Control
1-30
Packet Telephony Components
1-32
Best Effort Delivery of Real-Time Traffic
1-33
Summary
1-34
References
1-35
Quiz
1-36
Quiz Answer Key
1-39
Understanding IP Telephony Applications
1-41
Overview
1-41
Course Flow Diagram
7
Module Outline
1-2
Outline
1-4
Objectives
1-26
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Relevance
1-41
Objectives
1-41
Learner Skills and KnowledgeNet
1-42
Analog Interfaces
Outline
1-43
Digital Interfaces
1-46
IP Phones
1-49
Campus LAN Environment
1-53
Enterprise Environment
1-55
Service Provider Environment
1-59
Summary
1-60
References
1-61
Quiz
1-62
Quiz Answer Key
1-65
Analog and Digital Voice Connections
2-1
Overview
Module Objectives
2-1
Module Outline
2-2
Understanding Analog Voice Basics
2-3
Overview
2-3
Relevance
2-3
Learner Skills and KnowledgeNet
2-3
Outline
2-4
Local Loop Connections
2-5
Types of Local Loop Signaling
2-6
Supervisory Signaling
2-7
Address Signaling
2-11
Informational Signaling
2-13
Trunk Connections
2-14
Types of Trunk Signaling
2-17
E & M Signaling Types
2-21
Trunk Signal Types and Used by E & M
2-26
Line Quality
2-29
Management of Echo
2-31
Summary
2-33
References
2-34
Quiz
2-35
Quiz Answer Key
2-40
Undetstanding Analog-to-Digital Voice Encoding
2-43
Overview
2-43
Relevance
2-43
Objectives
2-43
Learner Skills and KnowledgeNet
2-44
Basic Voice Encoding: Converting Analog to Digital
Outline
2-45
Basic Voice Encoding: Converting Digital to Analog
2-47
The Nyquist Theorem
2-48
Quantization
2-49
Voice Compression and Codec Standards
2-52
G.729 and G.729A Compared
2-56
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2-1
Objectives
2-4
2-44
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Compresson Bandwidth Requiremens
2-58
Voice Quality Measurement
2-59
Summary
2-61
References
2-62
Quiz
2-63
Quiz Answer Key
2-66
Understanding Signaling Systems
2-67
Overview
2-67
Relevance
2-67
Objectives
2-67
Learner Skills and KnowledgeNet
2-68
CAS Systems T1
2-69
CAS Systems E1
2-73
CCS Systems
2-75
ISDN
2-76
QSIG
2-79
DPNSS
2-80
SIGTRN
2-81
SS7
2-82
Signaling Systems Interworking
2-84
Summary
2-85
References
2-85
Quiz
2-86
Quiz Answer Key
2-90
Understanding Fax and Modem over VoIP
2-93
Overview
Relevance
2-93
Objectives
2-93
Learner Skills and KnowledgeNet
2-94
Outline
2-94
Cisco Fax Relay
2-95
T.38 Fax Relay
2-97
T.37 Fax Store and Forward
2-98
Fax Pass-Through
2-100
Modem Pass-Through
2-102
Modem Relay
2-104
Summary
2-105
References
2-105
Quiz
2-106
Quiz Answer Key
2-109
Configuring Voice Interfaces
3-1
Overview
3-1
Module Objectives
3-1
Module Outline
3-2
Configuring Voice Ports
3-3
Overview
3-3
Relevance
3-3
Objectives
3-3
Learner Skills and Knowledge
3-4
Outline
3-4
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