arkup language (XML) G.Lite 375 gatekeeper 255, 272, 387, 391 exterior gateway routing protocol, gateway control protocol, GCP/H.248, (EGP) 342 53, 394 fast active queue management scalable gateway GPRS support node (GGSN) TCP/IP 236 278, 368 FAST/IP 236 gateway location 407, 413 fault management 44, 441, 445, gateway tunnelling protocol-control FDD 366 (GTP-C) 398 FDMA 364 generalized MPLS, GMPLS 339, 348 feature phone 309, 311 generalized multi-protocol label FEC 347 switching (GMPLS) 83, 97, federated applications 301 231, 317, 339, 348-350 fibre switching capability (FSC) Generic Route Encapsulation (GRE) fibre to the home (FTTH) 376 Protocol file transfer, access and management GEO 382 432, 434 geostationary orbit satellite 382 firewall 29, 30, 32, 189, 196, 199, GGSN 217, 218, 245, 250, 280, 282, 205-207, 213, 218, 293, 301, 283, 368, 386, 397-399, 402, 315, 452 418, 419, 421 flexible numbering register (FNR) 59, 168 FNR 276, 402 forwarding equivalence class (FEC) global interconnect points (GIX) 423 GMPLS 83, 231, 339, 348-350, 453 50, 66, 68, 71, 72, 79, 91, 94, 219, GMSK modulation (Gaussian minimum 220, 248, 254, 258, 259, 266, shift keying) 369 267, 381, 385, 388, 389, 407, 413 GPRS 11, 14, 16, 50, 54, 111, 148, framework 4, 59, 70, 75, 79, 123, 258, 289, 290, 293, 295-297, 159, 169, 170, 175, 177, 182, 199, 416, 444 217, 256, 260, 261, 265, 276, frequency division duplex (FDD) 366 322, 325, 367-371, 381, 385, frequency division multiple access 387-389, 397, 413, 420, 424, 436 (FDMA) 365 GPRS roaming exchange (GRX) 424 front end 303 GPRS tunnelling protocol (GTP) FTAM - file transfer, access and management 433, 434, 456 FTTH 376 54, 56, 63, 64, 137, 143, 159, FTTx 376 182, 183, 198, 223, 226, 227, 230, fundamental technical plan 4, 50, 65, 250, 260, 301, 312, 322, 354, 66, 74, 133, 165, 188, 194, 258, 365-372, 389, 398, 416, 423, 436 267, 413, 416, 430, 435, 457 GSM codecs Index GSTN, general switched telephone IN services 56, 112, 254, 390 network 403 incoming traffic 493, 497 GTP (gateway tunnelling 