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Imaging, 94
Infiniband, 82–83, 84
Information logs, 147
Information system (IS) management, 73
Integrated access devices (IADs), 184
inverse multiplexing, 378
T1 line bandwidth bundling, 185
Integrated communications providers (ICPs), 250
Integrated help desk, 52
Integrated Services Digital Network (ISDN), 18–19, 196–97
channel types, 196
functionality, 196
multiplexer support of, 197
PRI, 197
T1 backup via, 369–70
Intelligent agents, 31–32
Intelligent calling systems (ICSs), 375
Interactive voice response (IVR)/announcement servers, 119
Internet Assigned Numbers Authority (IANA), 243
Internet Engineering Task Force (IETF), 243
Internet Protocol with security (IPsec), 115
Internet service providers (ISPs), 7
Internet Society (ISOC), 243
Intranets, 244–48
defined, 243–44
development costs, 246–47
implementation decision, 245
IP address administration and, 245–46
as risk-free proposition, 245
uses, 244
Intrusion detection systems, 326–27
Inverse multiplexing, 373
Inverse multiplexing over ATM (IMA), 236–39, 378–79
advantage, 236–37
bonded multiple T1 access lines, 237, 238
defined, 136
IP Centrex, 179–81
CPE, 180–81
defined, 179–80
expansion, 181
illustrated, 180
See also Centrex
IP networks, 239–53
addressing, 241–42
extranets, 249–53
intranets, 244–48
management, 243
NAP, 240
network address translation, 241
operating characteristics, 240
QoS standards, 291
services on Internet, 242–43
See also High-speed packet networks
IP PBXs, 170–72
administration, 170–72
CallManager, 171–72
Cisco, 170–72
defined, 170
managed services, 172
vendors, 170
See also PBXs
IP routing table, 132
iSCSI, 93–94
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