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CCNA Voice Official Exam Certification Guide (640-460 IIUC)

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Preparation and practice for the ALL NEW CCNA Voice exam from the all-time best selling CCNA self-study test preparation series.

Voice Perspectives	p. 3
Perspectives on Voice Before Convergence	p. 5
"Do I Know This Already?" Quiz	p. 5
Foundation Topics	p. 8
Where It All Began: Analog Connections	p. 8
Loop Start and Ground Start Signaling	p. 9
Supervisory Signaling	p. 11
Informational Signaling	p. 11
Address Signaling	p. 12
The Evolution: Digital Connections	p. 12
Converting Analog to Digital Signals	p. 13
Sending Multiple Calls over a Single Line	p. 16
Understanding the PSTN	p. 21
The Pieces of the PSTN	p. 21
Understanding PBX and Key Systems	p. 22
Connections to and Between the PSTN	p. 23
PSTN Numbering Plans	p. 25
Exam Preparation Tasks	p. 27
Review All the Key Topics	p. 27
Definitions of Key Terms	p. 27
Perspectives on Voice After Convergence	p. 31
"Do I Know This Already?" Quiz	p. 31
Foundation Topics	p. 34
VoIP: Why It Is a Big Deal for Businesses	p. 34
The Cisco VoIP Structure	p. 35
Infrastructure Layer	p. 36
Call Processing Layer	p. 36
Applications Layer	p. 40
Endpoints Layer 44 Exam Preparation Tasks	p. 52
Review All the Key Topics	p. 52
Definitions of Key Terms	p. 52
References Used in This Chapter	p. 53
Unified Voice Using Call Manager Express	p. 55
Connecting IP Phones to the LAN Infrastr
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