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Integrated Services Digital Network (ISDN)
Chapter 16 Integrated Services Digital Network (ISDN)
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Figure 16-1 ISDN Services
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Figure 16-6 ISDN
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Figure 16-7 BRI
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Figure 16-8 PRI
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Figure 16-11 ISDN Layers
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Simplified Layers of ISDN
Figure 16-12 Simplified Layers of ISDN
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Figure 16-13 BRI Interfaces
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Figure 16-14 S Interface
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2B/1Q Encoding (Two binary, one quaternary)
Figure 16-15 2B/1Q Encoding (Two binary, one quaternary)
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Figure 16-16 BRI Frame
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Figure 16-18 PRI Interfaces
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Figure 16-19 PRI Frame
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Figure 16-20 LAPD Address Field
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Network Layer Packet Format
Figure 16-21 Network Layer Packet Format
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Figure 16-22 Call Reference Field
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Figure 16-23 Information Elements
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Information Element Types
Figure 16-24 Information Element Types
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Figure 16-25 Addressing in ISDN
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Bit Rates for Different Applications
Figure 16-26 Bit Rates for Different Applications
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Figure 16-27 B-ISDN Services
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B-ISDN Services Interactive services Distributive services
Conversational Ex: video telephony, video conferencing, data transfer, and so on. Messaging Ex: voice mail, data mail, and video mail Retrieval Ex: video retrieval from an on-line library Distributive services Without user control Ex: Commercial TV With user control Ex: Educational broadcasting, Teleadvertising and pay TV
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