etwork, 287 CDMA2000, 306, 325, 329, 331, 383 borrowing of Western technology, 397 CDMA2000 1X, 382, 383 broadband subscribers, 218 CDMA2000 1xEV-DO (data optimized or data largest mobile providers, 395, 397 only), 328, 382, 383 mobile services, 390 service Revision A, 328 policy of enhancing technology developed CDMA2000 1xEV-DO (Revision A), 383 elsewhere, 398 doubling voice capacity with CDMA2000 1X, China Mobile, 325, 337, 392, 395, 397 China Telecom, 325, 376, 395, 397 CDMA (Code-Division Multiple Access), 306, 321 international subsidiaries, 396 2G digital cellular service, 323 China Unicom, 325, 395, 397 in China, 395 Cincinnati Bell, 149 mobile networks in Nigeria, 410 Cingular Wireless CDNs (content delivery networks), 267, 270 acquisition of AT&T Wireless, 113, 135 cell sites, 316, 324 SBC's acquisition of, 114 connecting to IP core networks, 344 circuits, 18 LTE, offering additional functionality, 341 circuit-switched analog and T1 trunks, 79 picocells and femtocells, 350-353 circuit-switched proprietary PBXs, 86 power requirements, 346 circuit-switched voice, 171 in rural and urban areas, 330 Gigabit Ethernet and, 172 cellular connections embedded in devices, 139 and T1/T3 over fiber, 171 Index use with LTE and WiMAX, disadvantages of, codecs audio and video, 285 circuit-switching service, 194 using to compress and digitize speech, 17 Cisco Systems, Inc., 21 code division multiple access. See CDMA collaborative coalition, 55 collaboration, 33 IP PBX, 82 college textbooks, e-textbooks, 290 IP telephony products, 73 co-location facilities, 209-211 SCCP proprietary protocol, 101 connecting smaller providers and competitors Tandberg telepresence manufacturer, 92 to customers, 211 Class 5 switches, 179 Comcast, 109, 131, 201, 271 low investment in, and decline in local tele- acquisition of AT&T Broadband, 113, 140 phone service, 180 FCC fine for restricting Bit Torrent traffic, 293 class of service (CoS), 227 majority ownership of NBC Universal, 283 Clearwire, 109, 139, 317 ownership in NBCUniversal, 141 m