ISDN - Iowa State University

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Why We Select ISDN (cont…)! More cost-effectively than leased lines.! Dial-up ISDN links can replace leased-linelineconnections be used as supplemental bandwidthfor overflow and redundancy.! ISDN is a fully digital network, where all devicesand applications present themselves in a digitalform. All of the information can be switched &transported by the same network equipment.December 7, 2000 Iowa State University 6
ISDN Development History! The first service was introduced by BritishTelecom in June 1985.Another early pre-standard ISDN service wasproject Victoria, offered by Pacific Bell in 1986in Danvilll, , California.! ISDN availability is just over 70% in NorthAmerican.December 7, 2000 Iowa State University 7
Page 2 and 3: What is ISDN! IntegratedServicesDig
Page 4 and 5: N-ISDN and B-ISDNB! Two kinds of IS
Page 8 and 9: How to Distinguish ISDN fromTraditi
Page 10 and 11: How ISDN Works! Review some concept
Page 12 and 13: B - Channel! Transmit at 64 kbps an
Page 14 and 15: Other Channel- H Channel! A user ap
Page 16 and 17: BRI and PRI User/NetworkInterfaceDe
Page 18 and 19: Physical Connection to ISDNDecember
Page 20 and 21: Layer 2 Q.921! Describes the proced
Page 22 and 23: Relationship of Layer 1,2,3! The IS
Page 24 and 25: Establishing the Link Layer! These
Page 26 and 27: ISDN Services and Applications! Bea
Page 28 and 29: Interconnecting LANs and ISDN! ISDN
Page 30 and 31: Remote node-toto-LAN andterminal-to
Page 32 and 33: ISDN Services deliver! Telco servic
Page 34 and 35: The Conclusion of ISDN! With ISDN y
Page 36: Questions?

ISDN - Iowa State University

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