me (APN) 256, 282, APN address 388, 398, 418 application 12 14, 16, 30-32, 35, 39, accounting function 407, 450 40, 42, 43, 45, 46, 50, 58, 60, 61, accounting management 442 63, 64, 68, 69, 71, 78-81, 83, 88, accounting rate of return (ARR) 89, 93, 95, 96, 110, 111, 114, 115, 121, 129, 139, 142, 151, Understanding Changing Telecommunications - Building a Successful Telecom Business, by A. Olsson © 2003 Ericsson och Student litteratur. ISBN: 0-470-86851-1 Index application (continued) 381, 390, 392, 399, 402, 419, 152, 156, 157, 159, 161-165, 426, 444, 451 167-169, 172-175, 181, 184, authentication header (AH) 214 187-190, 194, 197-200, 204, authenticity 186, 199, 202, 209, 220 206, 208, 212, 217, 219, AV 111, 113, 116, 120 222-224, 227-229, 231, 232, availability 12, 67, 130, 153, 161, 234, 238, 244, 245, 247, 254, 186-188, 193, 194, 200, 218, 259-263, 266, 271, 275, 276, 295, 296, 351, 404, 440, 442 287, 289-297, 299, 301-304, average cell ratio (ACR) 482 306, 307, 309, 311, 313-315, average revenue per user (ARPU) 317, 320, 326-329, 346, 348, 21, 100, 129 354, 382, 387, 390, 396, 405, 408, 416, 418, 435, 436, 438, 444, 445, 451, 460, 461 344, 346 application programming interface back end (API) 79, 291 background class 162, 164, 165, 229 application service provider (ASP) 29, balance 136, 166, 351, 465, 469 100, 115 baseline cost 136, 137, 439, 464 application support services 292, 293, bastion host 303, 304 bearer signalling 336, 337, 341, 396 152, 173 behaviour aggregates (BA) 344 ARPU 19, 105, 130, 154, 352, 354, BER 160, 161, 205, 235 best effort 256, 281, 348, 386 466, 467, 471 BGCF 388, 399, 400 115, 129 53, 94, 343, 344 assured forwarding (AF) 346 BICC (bearer independent call control) 94, 97, 268, 274, 281, 336, 387, 1, 13, 56, 57, 60, 76, 77, 83, 91, 394, 396, 397, 406, 480 95, 117, 129, 141, 160, 177, 179, BICC CS1 (bearer independent call 183, 197, 215, 231, 232, 237, control - capability set 480 239, 240, 245, 254, 255, 267, BICC CS2, 480 268, 271, 273-275, 280, 303, BICC IP Bearer Control Protocol 