Integrated Services Digital Network (ISDN)

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Presentation transcript:

Integrated Services Digital Network (ISDN) Chapter 16 Integrated Services Digital Network (ISDN)

Figure 16-1 ISDN Services

Figure 16-6 ISDN

Figure 16-7 BRI

Figure 16-8 PRI

Figure 16-11 ISDN Layers

Simplified Layers of ISDN Figure 16-12 Simplified Layers of ISDN

Figure 16-13 BRI Interfaces

Figure 16-14 S Interface

2B/1Q Encoding (Two binary, one quaternary) Figure 16-15 2B/1Q Encoding (Two binary, one quaternary)

Figure 16-16 BRI Frame

Figure 16-18 PRI Interfaces

Figure 16-19 PRI Frame

Figure 16-20 LAPD Address Field

Network Layer Packet Format Figure 16-21 Network Layer Packet Format

Figure 16-22 Call Reference Field

Figure 16-23 Information Elements

Information Element Types Figure 16-24 Information Element Types

Figure 16-25 Addressing in ISDN

Bit Rates for Different Applications Figure 16-26 Bit Rates for Different Applications

Figure 16-27 B-ISDN Services

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