Dictionary: Wide Area Networks WAN

Dictionary: Wide Area Networks WAN

 

 

 

von: Klaus Lipinski (Hrsg.)

Datacom-Buchverlag GmbH, 2010

ISBN: 9783892381969

Sprache: Englisch

2107 Seiten, Download: 21428 KB

 
Format:  EPUB, auch als Online-Lesen

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Dictionary: Wide Area Networks WAN



  TITLE 1  
  Table of Contents 3  
  1 55  
     1 channel + 1 channel (1+1) 56  
     1:n redundancy (1:n) 57  
     10 Gigabit Ethernet passive optical network 58  
     100 Gigabit Ethernet (100GbE) 59  
     12TR7 protocol 60  
     1822 protocol 61  
     1TR6 protocol 62  
  2 63  
     2.5 generation (2.5G) 64  
  3 65  
     3.5 generation (3.5G) 66  
     3.9 generation (3.9G) 67  
  4 69  
     4G layered model 70  
  A 71  
     A network 72  
     ABCD signalling 73  
     abstract test suite (ATS) 74  
     access grant channel (AGCH) 75  
     access link control application part (ALCAP) 76  
     access list 78  
     access manager (AM) 79  
     access media gateway (AMG) 80  
     access multiplexer 81  
     access network (AN) 82  
     access node (AN) 84  
     access point (AP) 85  
     access point control protocol (APCP) 87  
     access point name (APN) 88  
     access router (AR) 89  
     access server 90  
     acknowledgment channel 91  
     acknowledgment principle 92  
     acoustic coupler 93  
     ACR decrease time factor (ADTF) 94  
     active optical network (AON) 95  
     adapter 96  
     adaptive gain control (AGC) 98  
     adaptive weighted fair queuing (AWFQ) 99  
     add/drop multiplexer (ADM) 100  
     additional packet mode (APM) 101  
     additive increase rate (AIR) 102  
     address complete message (ACM) 103  
     address mapping 104  
     address resolution protocol (ARP) 106  
     ad-hoc network 107  
     adjacent point code (APC) 108  
     administration function (ADMF) 109  
     administrative unit (AU) 110  
     ADSL frame 111  
     ADSL transceiver unit (ATU) 112  
     ADSL2+ 113  
     advanced intelligent network (AIN) 114  
     advanced mobile phone system (AMPS) 115  
     advanced mobile telephone system (AMTS) 116  
     advice of charge (AoC) 117  
     air interface (AI) 118  
     airtime 119  
     alarm indication signal (AIS) 120  
     all area network (AAN) 121  
     all IP network (AIPN) 122  
     all optical network (AON) 123  
     all paths explorer frame (APE) 124  
     all routes explorer (ARE) 125  
     allowed cell rate (ACR) 126  
     alphamosaic 127  
     alternate line service (ALS) 128  
     alternate routing 129  
     always on 130  
     always on/dynamic ISDN (AO/DI) 131  
     American registry for Internet numbers (ARIN) 132  
     amplified spontaneous emission (ASE) 133  
     anonymous FTP (AFTP) 134  
     answer message (ANM) 135  
     answer mode 136  
     AoC at end of call (AoCE) 137  
     AoC at start of call (AoCS) 138  
     AoC during call (AoCD) 139  
     applet 140  
     AppleTalk update-based routing protocol (AURP) 141  
     appliance 142  
     application control access protocol (ACAP) 143  
     application layer gateway (ALG) 144  
     application part (AP) 145  
     area communication controller (ACC) 147  
     area number 148  
     ARPA Internet 149  
     arrayed waveguide grating (AWG) 150  
     Asian Pacific network information center (APNIC) 151  
     associated control channel (ACCH) 152  
     asymmetric digital subscriber line (ADSL) 153  
     asynchronous modem eliminator (AME) 155  
     asynchronous transfer mode (ATM) 156  
     AT command 158  
     ATM adaption layer (AAL) 160  
     ATM address 162  
     ATM attached host functional group (AHFG) 163  
     ATM cell 164  
     ATM data service unit (ADSU) 165  
     ATM forum 166  
     ATM inverse multiplexer (AIM) 167  
     ATM layer (ATL) 168  
     ATM layer model 169  
     ATM over passive optical network (APON) 172  
     ATM subscriber access multiplexer (ASAM) 173  
     ATM switching unit 174  
     ATM transmission speed 176  
     attribute registration authority (ARA) 178  
     audio message interchange specification, analog (AMIS-A) 179  
     audio messaging 180  
     audio/visual multimedia service (AMS) 181  
     authenticated post office protocol (APOP) 182  
     authentication center (AC) 183  
     authentification center (AUC) 184  
     authentification header (AH) 185  
     auto-dial device 186  
     automatic alternative routing (AAR) 187  
     automatic baud rate (ABR) 188  
     automatic call back (ACB) 189  
     automatic fallback (AFB) 190  
     automatic network routing (ANR) 191  
     automatic power control (APC) 192  
     automatic protection switching (APS) 193  
     automatic route selection (ARS) 194  
     automatic spanning tree (AST) 195  
     automatic swap 196  
     automatically switched optical network (ASON) 197  
     automatically switched transport network (ASTN) 198  
     autonomous system (AS) 199  
     autonomous system boundary router (ASBR) 200  
     autonomous system number field 201  
     auto-sensing 202  
     available bit rate (ABR) 203  
     avalanche photo diode (APD) 204  
  B 205  
     B channel 206  
     B network 207  
     backhaul 208  
     backward channel 209  
     backward explicit congestion notification (BECN) 210  
     backward learning 211  
     bandwidth allocation protocol (BAP) 212  
     bandwidth on demand (BoD) 213  
     bandwidth on demand interoperability group (BONDING) 214  
     base station (BS) 215  
     base station color code (BCC) 216  
     base station controller (BSC) 217  
     base station identity code (BSIC) 218  
     base station subsystem (BSS) 219  
     base station system application part (BSSAP) 220  
     base station system GPRS protocol (BSSGP) 222  
     base station system management application part (BSSMAP) 223  
     base transceiver station (BTS) 225  
     basic exchange radio telecommunications service (BERTS) 226  
     basic rate access (BRA) 227  
     basic rate interface (BRI) 228  
     basic service set (BSS) 230  
     bearer capability (BC) 231  
     bearer independent call control (BICC) 232  
     bearer mobile (Bm) 233  
     bearer service 24 (BS24) 234  
     bearer service 26 (BS26) 235  
     begin of message (BoM) 236  
     Bell labs layered space time (BLAST) 237  
     Bellman Ford algorithm 238  
     best path first (BPF) 239  
     bidirectional line switch ring (BLSR) 240  
     bifurcated routing 241  
     B-ISDN signalling 242  
     B-ISDN terminal adapter (B-TA) 244  
     bit interleaved parity (BIP) 245  
     bit rate management 246  
     black box 247  
     BlackBerry 248  
     booking 249  
     booster 250  
     border gateway multicast protocol (BGMP) 251  
     border gateway protocol (BGP) 252  
     branch exchange 253  
     branch out cable 254  
     bridge 255  
     bridge protocol data unit (BPDU) 256  
     bridge/router 257  
     broadband access 258  
     broadband connection oriented bearer (BCOB) 259  
     broadband fixed wireless access (BFWA) 260  
     broadband high layer information (BHLI) 262  
     broadband inter-carrier (BIC) 263  
     broadband inter-carrier interface (B-ICI) 264  
     broadband ISDN (B-ISDN) 265  
     broadband low layer information (B-LLI) 266  
     broadband network termination (B-NT) 267  
     broadband passive optical network (BPON) 268  
     broadband radio access network (BRAN) 269  
     broadband service node (BSN) 271  
     broadband terminal equipment (B-TE) 272  
     broadband wireless access (BWA) 274  
     broadcast and unknown server (BUS) 275  
     broadcast control channel (BCCH) 276  
     broadcast routing 277  
     bug proof 278  
     bundling 279  
     burst tolerance (BT) 280  
     busy hour call attempts (BHCA) 281  
  C 282  
     C network 283  
     C5 signalling (CCIT5) 284  
     cache array routing protocol (CARP) 285  
     call agent 286  
     call completion Internet busy (CCIB) 287  
     call completion on no reply (CCNR) 288  
     call control (CC) 289  
     call deflection (CD) 290  
     call detail record (CDR) 291  
     call forwarding busy (CFB) 292  
     call forwarding no reply (CFNR) 293  
     call forwarding unconditional (CFU) 294  
     call hold (CH) 295  
     call packet 296  
     call processing language (CPL) 297  
     call reference (CR) 298  
     call session control function (CSCF) 299  
     call transfer (CT) 300  
     call waiting (CW) 301  
     call waiting 302  
     call waiting Internet busy (CWIB) 303  
     callback 304  
     called party subaddress (CdS) 305  
     calling class 306  
     calling line identification (CLID) 307  
     calling line identification (CLI) 308  
     calling line identification on call waiting (CIDCW) 309  
     calling line identification presentation (CLIP) 310  
     calling line identification restriction (CLIR) 311  
     calling party number (CgPNo) 312  
     calling party pays (CPP) 313  
     calling party subaddress (CgS) 314  
     capability set (CS) 315  
     CAPI V2.0 interface 316  
     care of address 317  
     carrier 318  
     carrier detect (CD) 319  
     carrier Ethernet (CaE) 320  
     carrier Ethernet transport (CET) 321  
     carrier frequency system 323  
     carrier to noise ratio (CNR) 324  
     CCITT high level language (CHILL) 325  
     CDMA2000 326  
     cdmaOne 328  
     cell broadcast (CB) 329  
     cell broadcast center (CBC) 330  
     cell broadcast entity (CBE) 331  
     cell delay variation (CDV) 332  
     cell delay variation tolerance (CDVT) 333  
     cell identification (CI) 334  
     cell in flight (CIF) 335  
     cell interarrival variation (CIV) 336  
     cell loss priority (CLP) 337  
     cell loss ratio (CLR) 338  
     cell rate margin (CRM) 339  
     cell relay 340  
     cell relay service (CRS) 341  
     cell switching 342  
     cell transfer delay (CTD) 343  
     cellphone 344  
     cellular digital packet data (CDPD) 346  
     cellular radio 347  
     cellular radio network (CRN) 350  
     central communication processor (CCP) 351  
     central exchange 352  
     central office (CO) 353  
     central services organization (CSO) 354  
     change over 355  
     channel definition format (CDF) 356  
     channel separation 357  
     channel service unit (CSU) 358  
     channel subdivision 359  
     chekker 361  
     chips per second (c/s) 362  
     choke packet 363  
     circuit emulation service (CES) 364  
     circuit emulation services over Ethernet (CESoE) 365  
     circuit group blocking (CGB) 366  
     circuit group unblocking (CGU) 367  
     circuit indentification code (CIC) 368  
     circuit layer gateway (CLG) 369  
     circuit switched data (CSD) 370  
     circuit switched network 371  
     circuit switching (CS) 373  
     Cisco discovery protocol (CDP) 374  
     Cisco group management protocol (CGMP) 375  
     citizen band (CB) 376  
     city call 377  
     class 4 switch 378  
     class 5 switch 379  
     class based weighted fair queuing (CBWFQ) 380  
     class of service (CoS) 381  
     class-based queuing (CBQ) 382  
     classical IP over ATM (CLIP) 383  
     classless interdomain routing (CIDR) 384  
     clear collision 385  
     clearing 386  
     clearinghouse for networked information discovery and retrieval (CNIDR) 387  
     client 388  
     cluster 389  
     cluster controller (CC) 390  
     coarse wavelength division multiplex (CWDM) 391  
     code division multiple access (CDMA) 393  
     code division multiple access/frequency diversity duplex (CDMA/FDD) 395  
     coded orthogonal frequency division multiplex (COFDM) 396  
     coherency 397  
     cold swap 398  
     collocation 399  
     collocation facility 400  
     combiner 401  
     command/response (C/R) 402  
     committed access rate (CAR) 403  
     committed burst (Bc) 404  
     committed information rate (CIR) 405  
     common air interface (CAI) 406  
     common application programming interface (CAPI) 408  
     common channel interference 409  
     common channel interoffice signalling (CCIS) 410  
     common character signalling channel 411  
     common content inspection (CCI) 412  
     common control channel (CCCH) 413  
     common desktop environment (CDE) 414  
     common Internet file system (CIFS) 415  
     common part convergence sublayer (CPCS) 416  
     communication network 418  
     communication server 419  
     companding 420  
     complete sequence number PDU (CSNP) 421  
     completion of call to busy subscriber (CCBS) 422  
     compressed real time protocol (CRTP) 423  
     compressed SLIP (CSLIP) 424  
     concentrator (CON) 425  
     conference call (CONF) 426  
     congestion avoidance (CA) 427  
     congestion indicator (CI) 428  
     connect message (CON) 429  
     connected line identification presentation (COLP) 430  
     connected line identification restriction (COLR) 431  
     connection 432  
     connection admission control (CAC) 433  
     connection oriented convergence function (COCF) 434  
     connection oriented data (COD) 435  
     connection related function (CRF) 436  
     connectionless broadband data service (CBDS) 437  
     connectionless network protocol (CLNP) 438  
     connectionless server (CLS) 439  
     connectionless transport protocol (CLTP) 440  
     consolidated link layer management (CLLM) 441  
     consolidation 442  
     constant bit rate (CBR) 443  
     constraint routing LDP (CR-LDP) 444  
     consumer digital subscriber line (CDSL) 445  
     content delivery network (CDN) 446  
     context based access control (CBAC) 448  
     context sensor (CS) 449  
     continuation of message (CoM) 450  
     continuity check 451  
     control channel (CCH) 452  
     control plane 453  
     controller 454  
     convergence 455  
     convergence platform 456  
     convergence sublayer (CS) 457  
     convergent network architecture 459  
     cookie 461  
     copper twin wire 462  
     cordless communication network (CCN) 463  
     cordless telephony (CT) 464  
     core based tree (CBT) 466  
     core network (CN) 467  
     core router 469  
     CorNet-IP 470  
     corporate GSM 471  
     counter mode with CBC-MAC protocol (CCMP) 472  
     country code (CC) 473  
     cross connection (CC) 474  
     cross gain modulation (XGM) 475  
     cross phase modulation (XPM) 476  
     crossbar switch 477  
     CT0 478  
     CT1 479  
     CT2 480  
     CT3 481  
     custom local area signalling service (CLASS) 482  
     customer edge (CE) 483  
     customer gateway (CGW) 484  
     customer network management (CNM) 485  
     customer premises equipment (CPE) 486  
     customer service control (CSC) 487  
     cyclic redundancy checksum (CRC) 488  
  D 489  
     D channel 490  
     D channel access control 491  
     D channel protocol 492  
     D network 493  
     D1 network 494  
     D2 network 495  
     dark fiber 496  
     data carrier detect (DCD) 497  
     data communication equipment (DCE) 498  
     data exchange (DX) 499  
     data exchange interface (DXI) 500  
     data link channel identifier (DLCI) 502  
     data link switching (DLSw) 503  
     data mobile (Dm) 504  
     data network identification code (DNIC) 505  
     data service adapter (DSA) 506  
     data set ready (DSR) 507  
     data station 508  
     data switching exchange (DSE) 509  
     data switching system 510  
     data terminal equipment (DTE) 511  
     data terminal ready (DTR) 512  
     datagram 513  
     datagram transport protocol (DTP) 514  
     DCF77 515  
     dead spot 516  
     deadlock 517  
     DECT multimedia access profile (DMAP) 518  
     DECT over IP (DECToIP) 519  
     DECT packet radio service (DPRS) 521  
     DECT standard 522  
     dedicated control channel (DCCH) 524  
     dedicated mode 525  
     dedicated short range communication (DSRC) 526  
     deficit-weighted round robin queuing (DWRR) 527  
     delay (DEL) 528  
     delivery confirmation bit (D-bit) 529  
     delivery receipt 530  
     delivery status notification (DSN) 531  
     dense wavelength division multiplexing (DWDM) 532  
     designated subnet bandwidth manager (DSBM) 534  
     destination address (DA) 535  
     destination end station (DES) 536  
     detect and avoid (DAA) 537  
     device change 538  
     dial on demand routing (DDR) 539  
     dial VPN services (DVS) 540  
     dialed number identification service (DNIS) 541  
     dial-in node 542  
     dialling tone 543  
     differential group delay (DGD) 544  
     differentiated services (DiffServ) 545  
     digital access and crossconnect system (DACS) 547  
     digital advanced mobile phone system (D-AMPS) 548  
     digital cellular system 1800 MHz (DCS 1800) 549  
     digital circuit multiplication equipment (DCME) 551  
     digital cordless telephony (DCT) 552  
     digital crossconnect (DXC) 553  
     digital crossconnect system (DCS) 554  
     digital enhanced cordless telecommunications (DECT) 555  
     digital inter relay communication (DIRC) 557  
     digital multiplexed interface (DMI) 558  
     digital short range radio (DSRR) 559  
     digital signal (DS) 560  
     digital simultaneous voice and data (DSVD) 561  
     digital subscriber line (DSL) 562  
     digital subscriber line access multiplexer (DSLAM) 565  
     digital subscriber system no. 1 (DSS1) 566  
     Dijkstra algorithm 567  
     direct dialing in (DDI) 568  
     direct distance dialling (DDD) 569  
     direct inward dialing (DID) 570  
     direct inward system access (DISA) 571  
     direct mode operation (DMO) 572  
     direct sequence UWB (DS-UWB) 573  
     direct transfer application part (DTAP) 574  
     directory operational binding management protocol (DOP) 576  
     directory service (DS) 577  
     directory system agent (DSA) 578  
     directory user agent (DUA) 579  
     discard elegibility (DE) 580  
     disconnect (DISC) 581  
     discontinuous transmission (DTX) 582  
     discrete multi tone (DMT) 583  
     dispatcher station (DST) 585  
     distance vector algorithm (DVA) 586  
     distance vector multicast routing protocol (DVMRP) 587  
     distinguished name (DN) 588  
     distributed feedback laser (DFB) 589  
     distributed functional plane (DFP) 590  
     distributed queue dual bus (DQDB) 591  
     distributed sample scrambler (DSS) 593  
     distributed service logic (DSL) 594  
     diversity 595  
     DLCI or DL-core control indicator bit (DC) 596  
     document transfer and manipulation (DTAM) 597  
     domain 598  
     domain keys identified mail (DKIM) 599  
     domain name system security extension (DNSSEC) 600  
     downstream 601  
     DQDB header 602  
     dual band mobile phone 604  
     dual mode mobile phone 605  
     dual rate mobile phone 606  
     dual tone multi frequency (DTMF) 607  
     duplex gap 608  
     dynamic channel allocation (DCA) 609  
     dynamic host configuration protocol (DHCP) 610  
     dynamic network address translation (DNAT) 613  
     dynamic packet transport (DPT) 614  
     dynamic routing 615  
     dynamic synchronous transfer mode (DTM) 616  
     dynamic wavelength slicing (DWS) 617  
  E 618  
     E band 619  
     e channel 620  
     E network 621  
     E/O converter 622  
     E1 line (E1) 623  
     E1 network 624  
     E164 625  
     E3 line (E3) 627  
     early packet discard (EPD) 628  
     echo cancellation (EC) 629  
     edge device 630  
     edge gateway (EGW) 631  
     edge router (ER) 632  
     EFM architecture 633  
     egress 635  
     electro absorptions modulator (EA) 636  
     electronic call (eCall) 637  
     electronic dialing system 638  
     electronics industry association (EIA) 639  
     electro-optical modulator 640  
     E-mail waiting indication (EWI) 641  
     emergency call 642  
     emulated LAN (ELAN) 643  
     encapsulating security payload (ESP) 644  
     end acknowledgement PDU (ENDAK-PDU) 645  
     end of message (EoM) 646  
     end physical data unit (END-PDU) 647  
     end system identifier (ESI) 648  
     enhanced data service for GSM evolution (EDGE) 649  
     enhanced full rate (EFR) 651  
     enhanced general packet radio service (EGPRS) 652  
     enhanced interior gateway routing protocol (EIGRP) 654  
     enhanced messaging service (EMS) 655  
     enhanced observed time difference (E-OTD) 656  
     enhanced specialized mobile radio (ESMR) 657  
     enhanced time division multiple access (E-TDMA) 658  
     enterprise defined messaging service (EDMS) 659  
     enterprise router 660  
     entrance facility 661  
     equalizer (EQ) 662  
     equipment identity register (EIR) 663  
     erbium doped fiber amplifier (EDFA) 664  
     Etherloop 665  
     Ethernet first mile over copper (EFMC) 666  
     Ethernet first mile using passive optical network (EFMP) 667  
     Ethernet first mile via fiber (EFMF) 668  
     Ethernet in the first mile (EFM) 669  
     Ethernet LAN service (E-LAN) 670  
     Ethernet line service (E-Line) 671  
     Ethernet over SDH (EoSDH) 672  
     Ethernet over VDSL (EoVDSL) 673  
     Ethernet passive optical network (EPON) 674  
     Ethernet private line (EPL) 675  
     Ethernet to the business (ETTB) 676  
     Ethernet tree (E-Tree) 677  
     Ethernet virtual private line (EVPL) 678  
     Euro ISDN 679  
     EuroFile transfer (EFT) 680  
     European digital signal level (E) 681  
     European messaging 682  
     European radio messaging services (ERMES) 683  
     Eurosignal 684  
     EutelTRACS 685  
     evolution data optimized (EVDO) 686  
     excess burst size (Be) 687  
     excess information rate (EIR) 688  
     explicit congestion notification (ECN) 689  
     explicit forward congestion indication (EFCI) 690  
     explicit rate (ER) 691  
     extended data message (EDM) 692  
     extended Internet protocol (EIP) 693  
     extended service set (ESS) 694  
     extended service set ID (ESSID) 695  
     extended super frame (ESF) 696  
     exterior routing protocol (ERP) 697  
     external machine interface (EMI) 698  
  F 699  
     fabry perot laser (FPL) 700  
     facility accepted (FAA) 701  
     facility rejected (FRJ) 702  
     facility request (FAR) 703  
     fading 704  
     fail-over cluster 705  
     fair queuing (FQ) 706  
     fallback switch (FBS) 707  
     fall-forward 708  
     far end block error (FEBE) 709  
     far end receive failure (FERF) 710  
     far field communication (FFC) 711  
     fast ACCH (FACCH) 712  
     fast circuit switching (FCS) 713  
     fast packet keying (FPK) 714  
     fast packet multiplexing (FPM) 715  
     fast packet switching (FPS) 716  
     fastpath 718  
     fax modem 719  
     femtocell 720  
     fiber bragg grating (FBG) 722  
     fiber optic switch 723  
     fiber to the amplifier (FTTA) 724  
     fiber to the building (FTTB) 725  
     fiber to the cabinet (FTTCab) 726  
     fiber to the curb (FTTC) 727  
     fiber to the desk (FTTD) 728  
     fiber to the exchange (FTTEx) 729  
     fiber to the home (FTTH) 730  
     fiber to the loop (FTTL) 731  
     fiber to the office (FTTO) 732  
     fiber to the radio (FTTR) 733  
     fiber to the terminal (FTTT) 734  
     field replaceable unit (FRU) 735  
     file access data unit (FADU) 736  
     file server 737  
     file transfer service (FTS) 738  
     fill-in signal unit (FISU) 739  
     filtering bridge 740  
     finger protocol 741  
     firewall accelerator 742  
     first generation (1G) 743  
     first mile service provider 744  
     fixed connection 745  
     fixed header 746  
     fixed mobile convergence (FMC) 747  
     fixed mobile integration (FMI) 748  
     fixed mobile substitution (FMS) 749  
     flexible multiplexer (FMUX) 750  
     flooding 751  
     flow control 752  
     foreign agent (FA) 753  
     format prefix (FP) 754  
     forward error correction (FEC) 755  
     forward explicit congestion notification (FECN) 756  
     forwarding rate 757  
     Foundry standby router protocol (FSRP) 758  
     four wave mixing (FWM) 759  
     fourth generation (4G) 760  
     fractional T1 (FT-1) 761  
     fractional T3 (FT-3) 762  
     fragmentation 763  
     frame based UNI (FUNI) 764  
     frame mode bearer service (FMBS) 765  
     frame relay (FR) 766  
     frame relay access device (FRAD) 769  
     frame relay architecture 770  
     frame relay frame 771  
     frame relay traffic shaping (FRTS) 772  
     frame switching (FS) 773  
     free space optic (FSO) 774  
     freedom of mobile access (FOMA) 775  
     freephone (FPH) 776  
     frequency cell 777  
     frequency converter 778  
     frequency correction channel (FCCH) 779  
     frequency division duplex (FDD) 780  
     frequency division multiple access (FDMA) 782  
     frequency division multiple access/frequency diversity duplex (FDMA/FDD) 783  
     FTP server 784  
     full rate (FR) 785  
     full service access network (FSAN) 786  
     full service network (FSN) 787  
     future public land and mobile telecommunication system (FPLMTS) 788  
  G 789  
     G.709 header 790  
     G703 791  
     G704 792  
     G709 793  
     G711 795  
     G721 796  
     G722 797  
     G723 798  
     G726 799  
     G728 800  
     G729 801  
     gate controller (GC) 802  
     gatekeeper (GK) 803  
     gateway (GW) 804  
     gateway GPRS support node (GGSN) 806  
     gateway MSC (GMSC) 807  
     gateway protocol 808  
     gateway server 809  
     gateway to gateway protocol (GGP) 810  
     gaussian minimum shift keying (GMSK) 811  
     general format identifier (GFI) 812  
     general inter-ORB protocol (GIOP) 813  
     general mobile radio service (GMRS) 814  
     general packet radio service (GPRS) 815  
     generalized multi protocol label switching (GMPLS) 818  
     generic cell rate algorithm (GCRA) 819  
     generic connection admission control (GCAC) 820  
     generic flow control (GFC) 821  
     generic framing procedure (GFP) 822  
     generic routing encapsulation (GRE) 823  
     geographic scope (GS) 824  
     get nearest server (GNS) 825  
     gigabit IP router (GIPR) 826  
     gigabit PON (GPON) 827  
     gigabit router 828  
     gigabyte system network (GSN) 829  
     glass fiber network 830  
     global area network (GAN) 831  
     global automotive telematics standard (GATS) 832  
     global maritime distress and safety system (GMDSS) 833  
     global roam 834  
     global service point (GSP) 835  
     global system for mobile communications (GSM) 836  
     Gnutella protocol 838  
     GPRS network architecture 839  
     grooming 840  
     ground segment 841  
     group call 842  
     group of picture (GOP) 843  
     GSM connection 845  
     GSM for railways (GSM-R) 846  
     GSM frame 847  
     GSM network 848  
     GSM services 851  
  H 852  
     H channel 853  
     H.264 advanced video coding (H.264/AVC) 854  
     H235 855  
     H248 856  
     H323 857  
     half gateway 859  
     half rate (HR) 860  
     handover (HO) 861  
     handover number (HON) 862  
     hardware (HW) 863  
     harmonic and individual line plus noise (HILN) 864  
     harmonic vector excitation (HVXC) 865  
     header error control (HEC) 866  
     hello protocol 867  
     hierarchical routing 868  
     hierarchical weighted fair queuing (HWFQ) 869  
     high bitrate digital subscriber line (HDSL) 870  
     high capacity - spatial division multiple access (HC-SMDA) 871  
     high level data link control (HDLC) 872  
     high performance radio access (HIPERACCESS) 873  
     high performance radio metropolitan network (HIPERMAN) 874  
     high performance routing (HPR) 875  
     high speed circuit switched data (HSCSD) 876  
     high speed downlink packet access (HSDPA) 878  
     high speed packet access (HSPA) 880  
     high speed packet access plus (HSPA+) 882  
     high speed serial interface (HSSI) 883  
     high speed uplink packet access (HSUPA) 884  
     home agent (HA) 886  
     home location area (HLA) 887  
     home location register (HLR) 888  
     home public mobile network (HPMN) 890  
     honeycomb plan 891  
     hop 892  
     horizontal cabling 893  
     host controller interface (HCI) 894  
     host monitor protocol (HMP) 895  
     hot standby router protocol (HSRP) 896  
     hot swap 897  
     hybrid automatic repeat request (HARQ) 898  
     hybrid CWDM/DWDM 899  
     hybrid frequency division duplex (HFDD) 900  
     hybrid router 901  
     hyperchannel 902  
     hypertext caching protocol (HTCP) 903  
     hypertext time protocol (HTP) 904  
     hypertext transfer protocol (HTTP) 905  
  I 906  
     I mode 907  
     I seek you (ICQ) 908  
     iBurst 909  
     ICAP forum 910  
     ICMP router discovery protocol (IRDP) 911  
     identification code (IC) 912  
     idle state 913  
     IEEE 802.16e 914  
     IEEE 802.16m 915  
     IEEE 802.20 916  
     IEEE 802.22 917  
     IEEE 802.6 918  
     improved voice over IP (IVoIP) 919  
     inband signalling 920  
     incumbent local exchange carrier (ILEC) 921  
     indefeasible right of use (IRU) 922  
     indicator control message (ICM) 923  
     individual address block (IAB) 924  
     industrial, scientific, and medical (ISM) 925  
     infocall 926  
     information appliance 927  
     ingress 928  
     initial address message (IAM) 929  
     injection laser diode (ILD) 930  
     instant messaging (IM) 931  
     instant messaging and presence protocol (IMPP) 932  
     integrated access device (IAD) 933  
     integrated IS-IS 934  
     integrated mobile broadband system (IBMS) 935  
     integrated remote error monitoring (IREM) 936  
     integrated service unit (ISU) 937  
     integrated services (IntServ) 938  
     integrated services digital network (ISDN) 939  
     integrated services LAN (ISLAN) 941  
     integrated services over specific link layer (ISSLL) 942  
     integrated services private branch exchange (ISPBX) 943  
     integrated voice/data terminal (IVDT) 945  
     intelligent edge 946  
     intelligent energy management (IEM) 947  
     intelligent network (IN) 948  
     intelligent network application protocol (INAP) 951  
     intelligent network conceptional model (INCM) 952  
     intelligent node for basic access (INOBA) 954  
     intelligent optical terminal (IOT) 955  
     intelligent peripheral interface (IPI) 956  
     inter system interface (ISI) 957  
     interactive multimedia association (IMA) 958  
     interdomain policy routing (IDPR) 959  
     interdomain routing protocol (IDRP) 960  
     interexchange carrier (IXC) 961  
     interface message processor (IMP) 962  
     interface muiltiplexer 963  
     interim interswitch signalling protocol (IISP) 964  
     interim local management interface (ILMI) 965  
     interior gateway protocol (IGP) 966  
     interior gateway routing protocol (IGRP) 967  
     intermediate session routing (ISR) 968  
     intermediate system (IS) 969  
     intermediate system to intermediate system protocol (IS-IS) 970  
     internal intercept function (IIF) 971  
     internal organization of the network layer (IONL) 972  
     international access code 973  
     international domain name system (i-DNS) 974  
     international mobile equipment identity (IMEI) 975  
     international mobile subscriber identity (IMSI) 976  
     international mobile telecommunications for the year 2000 (IMT) 977  
     international premium rate service (IPRS) 978  
     Internet appliance 979  
     Internet cache protocol (ICP) 980  
     Internet call waiting (ICW) 981  
     Internet connection sharing (ICS) 982  
     Internet content adaption protocol (ICAP) 983  
     Internet control message protocol (ICMP) 984  
     Internet file system (IFS) 985  
     Internet group management protocol (IGMP) 986  
     Internet high speed packet access (I-HSPA) 987  
     Internet inter-ORB protocol (IIOP) 988  
     Internet key exchange (IKE) 989  
     Internet message access protocol (IMAP) 990  
     Internet message support protocol (IMSP) 991  
     Internet name service 992  
     Internet printing protocol (IPP) 993  
     Internet protocol (IP) 994  
     Internet protocol control protocol (IPCP) 996  
     Internet protocol performance metric (IPPM) 997  
     Internet protocol version 4 (IPv4) 998  
     Internet protocol version 6 (IPv6) 999  
     Internet security 1001  
     Internet small computer system interface over IP (iSCSI) 1002  
     Internet streaming media alliance (ISMA) 1004  
     Internet telephone service provider (ITSP) 1005  
     internetwork address sub-group (IASG) 1006  
     internetwork coordination functional group (ICFG) 1007  
     internetwork packet exchange protocol (IPX) 1008  
     internetworking 1009  
     interoperability (IOP) 1010  
     interpersonal messaging (IPM) 1011  
     interpersonal messaging system (IPMS) 1012  
     interworking function (IWF) 1013  
     interworking unit (IWU) 1014  
     inverse multiplexer 1015  
     inverse multiplexing over ATM (IMA) 1016  
     IP address 1017  
     IP communication server 1020  
     IP convergence 1021  
     IP device control (IPDC) 1022  
     IP distributed architecture (IPDA) 1023  
     IP flow management protocol (IFMP) 1024  
     IP header 1025  
     IP multicast 1027  
     IP multimedia service access node (IP-MSAN) 1028  
     IP multimedia subsystem (IMS) 1029  
     IP network 1032  
     IP next generation (IPnG) 1033  
     IP payload compression protocol (IPPCP) 1034  
     IP routing 1035  
     IP security option (IPSO) 1037  
     IP security protocol (IPsec) 1038  
     IP spoofing 1040  
     IP telephony (IPTEL) 1041  
     IP traceback 1042  
     IRC pseudonym 1043  
     IS-95 1044  
     ISDN adapter card 1045  
     ISDN address 1046  
     ISDN connection type 1047  
     ISDN consumer device 1049  
     ISDN digital subsciber line (IDSL) 1050  
     ISDN frame 1051  
     ISDN interface 1052  
     ISDN point to multipoint connection 1054  
     ISDN reference point 1055  
     ISDN user part (ISUP) 1056  
     isochronous Ethernet (isoENET) 1058  
     ITU grid 1060  
  J 1061  
     Java advanced intelligent network (JAIN) 1062  
  L 1063  
     L band 1064  
     L2TP access concentrator (LAC) 1065  
     label distribution protocol (LDP) 1066  
     label edge router (LER) 1067  
     label switch controller (LSC) 1068  
     label switch router (LSR) 1069  
     label switched path (LSP) 1070  
     label switching 1071  
     LAN emulation (LANE) 1072  
     LAN emulation client (LEC) 1074  
     LAN emulation client identifier (LECID) 1075  
     LAN emulation configuration server (LECS) 1076  
     LAN emulation network node interface (LNNI) 1077  
     LAN emulation server (LES) 1078  
     LAN emulation UNI (LUNI) 1079  
     LAN-emulation address resolution protocol (LE_ARP) 1080  
     laser diode (LD) 1081  
     last mile 1083  
     lawfull interception (LI) 1085  
     layer 2 forwarding (L2F) 1086  
     layer 2 security (L2Sec) 1087  
     layer 2 tunneling protocol (L2TP) 1089  
     layer 3 switch 1091  
     layer 4 switch 1092  
     layer 7 switch 1093  
     leaf initiated join (LIJ) 1094  
     leaky bucket (LB) 1095  
     leased line 1096  
     least cost routing (LCR) 1097  
     light amplification by stimulated emission (Laser) 1098  
     light emitting diode (LED) 1099  
     lightweight directory access protocol (LDAP) 1101  
     lightweight phone control protocol (LPCP) 1102  
     limited distance modem (LDM) 1103  
     line of sight (LOS) 1104  
     line terminating equipment (LTE) 1105  
     line termination (LT) 1106  
     link access procedure (LAP) 1107  
     link access procedure balanced (LAP B) 1108  
     link access procedure D (LAP D) 1110  
     link access protocol Bm (LAP-Bm) 1111  
     link access protocol for Dm channel (LAP-Dm) 1112  
     link access protocol for modems (LAP M) 1113  
     link access protocol SDH (LAPS) 1114  
     link capacity adjustment scheme (LCAS) 1115  
     link control protocol (LCP) 1116  
     link segment 1117  
     link state advertisement (LSA) 1118  
     link state algorithm (LSA) 1119  
     link state protocol (LSP) 1120  
     link station 1121  
     link station (LS) 1122  
     load balancing 1123  
     local access data transport (LADT) 1125  
     local area and transport area (LATA) 1126  
     local bridge 1127  
     local exchange (LEX) 1128  
     local exchange carrier (LEC) 1129  
     local exchange network 1130  
     local line 1131  
     local loop (LL) 1132  
     local loop unbundling (LLUB) 1134  
     local management interface (LMI) 1135  
     local mobile subscriber identity (LMSI) 1136  
     local multipoint distribution service (LMDS) 1137  
     local service point (LSP) 1138  
     locating 1139  
     location area (LA) 1142  
     location area identity (LAI) 1143  
     location based service (LBS) 1144  
     location management 1145  
     location update (LUP) 1146  
     logical channel identifier (LCI) 1147  
     logical group node (LGN) 1148  
     logical IP subnet (LIS) 1149  
     logical link identifier (LLI) 1150  
     long distance network 1151  
     long haul (LH) 1152  
     long haul network 1153  
     long reach Ethernet (LRE) 1154  
     long term evolution (LTE) 1155  
     long term prediction (LTP) 1157  
     loop avoidance 1158  
     loss of cell (LOC) 1159  
     loss of frame (LOF) 1160  
     loss of payload (LOP) 1161  
     loss of pointer (LOP) 1162  
     loss of signal (LoS) 1163  
     lossless predictive audio compression (LPAC) 1164  
     low delay, code excited linear prediction (LD-CELP) 1165  
     low latency queuing (LLQ) 1166  
     low layer compatibility (LLC) 1167  
     low mobile (Lm) 1168  
     low power device (LPD) 1169  
     lu interface 1170  
  M 1171  
     MAC address 1172  
     MAC address translation (MAT) 1173  
     MAC level bridge 1174  
     macro radio cell 1175  
     mail gateway 1176  
     mail transfer agent (MTA) 1177  
     main exchange (MX) 1178  
     main station (MS) 1179  
     malicious call identification (MCID) 1180  
     managed Ethernet service (MES) 1181  
     management data PDU (MD-PDU) 1183  
     management domain (MD) 1184  
     management interface (MI) 1185  
     management plane 1186  
     mapping 1187  
     maritim radio 1188  
     mark bit (M bit) 1189  
     matrix switch 1190  
     maximum burst size (MBS) 1191  
     maximum cell delay variance (MCDV) 1192  
     maximum cell loss ratio (MCLR) 1193  
     maximum cell rate (MaxCR) 1194  
     maximum cell transfer delay (MCTD) 1195  
     maximum receive unit (MRU) 1196  
     mean opinion score (MOS) 1197  
     media converter 1198  
     media device control protocol (MDCP) 1199  
     media gateway (MGW) 1200  
     media gateway control protocol (MEGACO) 1201  
     media gateway control protocol (MGCP) 1203  
     media gateway controller (MGC) 1204  
     media independent handover service (MIHS) 1205  
     media server 1207  
     media terminal adapter (MTA) 1208  
     mediation device (MD) 1209  
     mediation switch 1210  
     mesh access point (MAP) 1211  
     message administration service element (MASE) 1212  
     message code (MC) 1213  
     message delivery service element (MDSE) 1214  
     message disposition notification (MDN) 1215  
     message handling system (MHS) 1216  
     message identifier (MID) 1217  
     message integrity check (MIC) 1218  
     message oriented text interchange system (MOTIS) 1219  
     message retrieval service element (MRSE) 1220  
     message sequence chart (MSC) 1221  
     message signal unit (MSU) 1222  
     message store (MS) 1223  
     message submission service element (MSSE) 1224  
     message switching (MS) 1225  
     message transfer agent (MTA) 1226  
     message transfer agent entity (MTAE) 1227  
     message transfer layer (MTL) 1228  
     message transfer part (MTP) 1229  
     message transfer service (MTS) 1231  
     message transfer service element (MTSE) 1232  
     message type (MT) 1233  
     meta signalling 1234  
     metric 1235  
     metro Ethernet forum (MEF) 1236  
     metro Ethernet network (MEN) 1237  
     metropolitan area network (MAN) 1239  
     metropolitan network 1240  
     micro electromechanical mirror (MEM) 1241  
     micro optical electromechanical mirror system (MOEMS) 1242  
     micro radio cell 1243  
     microcom networking protocol (MNP) 1244  
     microring resonator 1245  
     midband Ethernet 1246  
     minimum cell rate (MCR) 1247  
     mobile application part (MAP) 1248  
     mobile broadband system (MBS) 1250  
     mobile broadband wireless access (MBWA) 1251  
     mobile business 1252  
     mobile commerce 1253  
     mobile communications 1254  
     mobile computing 1256  
     mobile data access system (MDAS) 1257  
     mobile entertainment terminal (MET) 1258  
     mobile entry 1259  
     mobile execution environment (MExE) 1260  
     mobile global title (MGT) 1261  
     mobile IP (MIP) 1262  
     mobile network code (MNC) 1264  
     mobile node (MN) 1265  
     mobile number portability (MNP) 1266  
     mobile office 1267  
     mobile office workstations using GSM links (Mowgli) 1268  
     mobile originated call (MOC) 1269  
     mobile phone telematics protocol (MPTP) 1270  
     mobile PKI (mPKI) 1271  
     mobile station (MS) 1272  
     mobile station roaming number (MSRN) 1273  
     mobile subscriber identification number (MSIN) 1274  
     mobile subscriber ISDN (MSISDN) 1275  
     mobile switching center (MSC) 1276  
     mobile telephony 1277  
     mobile terminal (MT) 1278  
     mobile terminated call (MTC) 1279  
     mobile user part (MUP) 1280  
     mobile virtual network enabler (MVNE) 1282  
     mobile virtual network operator (MVNO) 1283  
     mobile WiMAX 1284  
     mobility management (MM) 1286  
     modulation and coding scheme (MCS) 1287  
     modulator/demodulator (Modem) 1288  
     modulo 1291  
     multi frequency code (MFC) 1292  
     multi frequency network (MFN) 1293  
     multi point control protocol (MPCP) 1294  
     multi service access node (MSAN) 1295  
     multi service provisioning platform (MSPP) 1296  
     multiband OFDM alliance (MBOA) 1297  
     multiband orthogonal frequency division mutlplexing (MB-OFDM) 1299  
     multicarrier modulation (MCM) 1300  
     multicast address resolution server (MARS) 1301  
     multicast backbone (MBONE) 1302  
     multicast OSPF (MOSPF) 1303  
     multi-cell network 1304  
     multichannel multipoint distribution system (MMDS) 1305  
     multilink (ML) 1306  
     multilink point to point protocol (MPPP) 1307  
     multilink PPP (ML-PPP) 1308  
     multimedia access profile (MMAP) 1309  
     multimedia messaging service (MMS) 1310  
     multinumbering 1311  
     multipath propagation 1312  
     multiple channels per carrier (MCPC) 1313  
     multiple input single output (MISO) 1314  
     multiple subscriber number (MSN) 1315  
     multiplex section overhead (MSOH) 1316  
     multiplexer (MUX) 1318  
     multipoint control unit (MCU) 1319  
     multipoint controller (MC) 1320  
     multipoint-to-multipoint communications 1321  
     multiport bridge 1322  
     multiport repeater 1323  
     multi-protocol label switching (MPLS) 1324  
     multiprotocol over ATM (MPoA) 1327  
     multiprotocol router (MPR) 1329  
     multipurpose Internet mail extensions (MIME) 1330  
     multirate circuit switching (MRCS) 1331  
     multirate ISDN 1332  
  N 1333  
     name server 1334  
     narrow WDM (NWDM) 1335  
     national color code (NCC) 1336  
     national mobile subscriber identity (NMSI) 1337  
     national number (NN) 1338  
     native client interface architecture (NCIA) 1339  
     navigation (NAV) 1340  
     neighbour discovery protocol (NDP) 1341  
     NetBIOS over TCP/IP (NBT) 1342  
     NetWare link services protocol (NLSP) 1343  
     network access and connectivity channel (NACCH) 1344  
     network access station (NAS) 1345  
     network address port translation (NAPT) 1346  
     network address translation (NAT) 1347  
     network address translator, protocol translator (NAT-PT) 1349  
     network appliance 1350  
     network areas 1351  
     network based application recognition (NBAR) 1352  
     network complex 1353  
     network computer (NC) 1354  
     network connection (NC) 1355  
     network control protocol (NCP) 1356  
     network element control protocol (NECP) 1357  
     network element function (NEF) 1358  
     network equipment building standard (NEBS) 1359  
     network file system (NFS) 1360  
     network identifier 1361  
     network interface device (NID) 1362  
     network layer reachability information (NLRI) 1363  
     network management centre (NMC) 1364  
     network node (NN) 1365  
     network parameter control (NPC) 1366  
     network protocol (NP) 1367  
     network service access point (NSAP) 1368  
     network subsystem (NSS) 1369  
     network termination (NT) 1370  
     network termination for basic access (NTBA) 1372  
     network to network interface (NNI) 1373  
     network user address (NUA) 1374  
     network user identification (NUI) 1375  
     next generation mobile network (NGMN) 1376  
     next generation network (NGN) 1378  
     next generation SDH (NG-SDH) 1380  
     next hop resolution protocol (NHRP) 1382  
     next hop server (NHS) 1383  
     NGN architecture 1384  
     node 1386  
     node B adaption protocol (NBAP) 1387  
     non facility associated signalling (NFAS) 1388  
     non line of sight (NLOS) 1389  
     nordic mobile telephone (NMT) 1390  
     null modem/modem eliminator 1391  
     number range 1392  
     numerical 1393  
  O 1394  
     O band 1395  
     O/E converter 1396  
     OAM cell 1397  
     object request broker (ORB) 1398  
     one carrier evolution (1xEV) 1399  
     one carrier radio transmission technology (1xRTT) 1400  
     online transaction processing (OLTP) 1401  
     open base station architecture initiative (OBSAI) 1402  
     open mobile alliance (OMA) 1403  
     open multimedia application platform (OMAP) 1404  
     open network provision (ONP) 1405  
     open settlement protocol (OSP) 1406  
     open shortest path first (OSPF) 1407  
     operating support system (OSS) 1409  
     operation and maintenance subsystem (OMSS) 1410  
     operation, administration, and maintenance (OAM) 1411  
     optical access network (OAN) 1412  
     optical add/drop multiplexer (OADM) 1413  
     optical amplifier (OA) 1415  
     optical budget 1417  
     optical burst router (OBR) 1418  
     optical carrier (OC) 1419  
     optical channel (OCh) 1420  
     optical code division multiplexing (OCDM) 1421  
     optical crossconnect (OXC) 1422  
     optical data unit (ODU) 1424  
     optical distribution network (ODN) 1425  
     optical domain service interconnect (ODSI) 1426  
     optical filter 1427  
     optical internetworking forum (OIF) 1428  
     optical line termination (OLT) 1429  
     optical multimode (OM) 1430  
     optical multiplex section (OMS) 1431  
     optical multiplexer (OMUX) 1433  
     optical network (ON) 1434  
     optical network element (ONE) 1437  
     optical network node (ONN) 1438  
     optical network unit (ONU) 1439  
     optical payload tributary unit (OPTU) 1440  
     optical payload virtual container (OPVC) 1441  
     optical receiver 1442  
     optical repeater (OR) 1443  
     optical space division multiplexing (OSDM) 1444  
     optical star coupler 1445  
     optical supervisory channel (OSC) 1446  
     optical switch 1447  
     optical time division multiplexing (OTDM) 1449  
     optical time domain reflectometry (OTDR) 1450  
     optical transmission section (OTS) 1451  
     optical transmitter 1453  
     optical transport hierarchy (OTH) 1454  
     optical transport network (OTN) 1456  
     optical transport unit (OTU) 1459  
     organizational unit (OU) 1461  
     orthogonal frequency division multiplex (OFDM) 1462  
     orthogonal frequency division multiplexing access (OFDMA) 1464  
     OS class 1466  
     outlet 1467  
     over the air (OTA) 1468  
  P 1469  
     packet assembler/disassembler (PAD) 1470  
     packet data protocol (PDP) 1471  
     packet Internet grouper (PING) 1472  
     packet loss rate (PLR) 1473  
     packet over Sonet (PoS) 1474  
     packet switching (PS) 1475  
     packet switching exchange (PSE) 1476  
     packetized ensemble protocol (PEP) 1478  
     pager 1479  
     pager cell 1480  
     pager network 1481  
     paging 1482  
     paging channel (PCH) 1483  
     paging control channel (PCCH) 1484  
     parallel optical links (POL) 1485  
     parallel sequence spread spectrum (PSSS) 1486  
     partitional emulation program (PEP) 1488  
     passive member address (PMA) 1489  
     passive optical network (PON) 1490  
     patching 1491  
     path overhead (POH) 1492  
     path terminal equipment (PTE) 1493  
     path vector protocol 1494  
     payload (Pl) 1495  
     payload type (PT) 1496  
     payload type identifier (PTI) 1497  
     PC card phone 1498  
     PCM technology 1499  
     peer group (PG) 1501  
     peer group leader (PGL) 1502  
     peer to peer network (P2P) 1503  
     perceptual analysis measurement system (PAMS) 1504  
     perceptual evaluation of speech quality (PESQ) 1505  
     perceptual speech quality measurement (PSQM) 1506  
     per-hop behavior (PHB) 1507  
     periodic location update (PLU) 1508  
     permanent virtual circuit (PVC) 1509  
     permanent virtual path connection (PVPC) 1510  
     permit next increase (PNI) 1511  
     personal access communications system (PACS) 1512  
     personal communication service (PCS) 1513  
     personal communications network (PCN) 1514  
     personal digital cellular (PDC) 1516  
     personal handyphone system (PHS) 1517  
     personal unblocking key (PUK) 1518  
     phase array (PHASAR) 1519  
     phone jack 1520  
     photonic network 1521  
     physical channel 1522  
     physical layer convergence protocol (PLCP) 1523  
     physical medium (PM) 1524  
     plain old telephone service (POTS) 1525  
     plesiochronous digital hierarchy (PDH) 1526  
     PNNI topology state packet (PTSP) 1527  
     point to multipoint (P2MP) 1528  
     point to point connection (P2P) 1529  
     point to point tunneling protocol (PPTP) 1530  
     pointer (PTR) 1531  
     point-to-point protocol (PPP) 1532  
     point-to-point radio system 1534  
     policy based routing (PBR) 1535  
     policy decision point (PDP) 1536  
     policy enforcement point (PEP) 1537  
     policy information base (PIB) 1538  
     policy management 1539  
     policy queuing (PQ) 1540  
     port address translation (PAT) 1541  
     portable media player (PMP) 1542  
     portable unit (PU) 1543  
     positioning determining technology (PDT) 1544  
     positive intrinsic negative (PIN) 1545  
     post office code standardisation advisory group (POCSAG) 1547  
     post office protocol (POP) 1548  
     PPP over Ethernet (PPPoE) 1549  
     premium rate service (PRS) 1551  
     primary rate interface (PRI) 1552  
     primary reference clock (PRC) 1553  
     primary station (P) 1554  
     priority queuing (PQ) 1555  
     privacy override information (POI) 1556  
     private land mobile radio (PLMR) 1557  
     private management domain (PRMD) 1558  
     private mobile radio 1559  
     private mobile radio (PMR) 1560  
     private mobile radio, 446 (PMR 446) 1561  
     private network to network interface (PNNI) 1562  
     private numbering plan (PNP) 1563  
     private signalling system 1 (PSS1) 1564  
     programmable communication interface (PCI) 1565  
     protocol converter (PCC) 1566  
     protocol independent multicast (PIM) 1567  
     provider 1568  
     provider backbone transport (PBT) 1569  
     provider edge (PE) 1570  
     pseudowire (PW) 1571  
     Psion 1572  
     PSTN to Internet internetworking (PINT) 1573  
     public data network (PDN) 1574  
     public switched telephone network (PSTN) 1575  
     public WLAN (PWLAN) 1576  
     pulse dialling 1577  
     push-to-talk over cellular (PoC) 1578  
     push-to-talk over cellular (PTT) 1579  
  Q 1581  
     Q factor 1582  
     Q.2931 1583  
     Q-interface signalling protocol (QSIG) 1584  
     qualifier bit (q-bit) 1585  
     quality of service (QoS) 1586  
     quantum flow control (QFC) 1588  
     queuing 1589  
     queuing delay (QD) 1590  
     queuing management 1591  
  R 1592  
     radio access network (RAN) 1593  
     radio access network application part (RANAP) 1595  
     radio base station (RBS) 1597  
     radio cell 1598  
     radio data link access protocol (RD-LAP) 1599  
     radio data transmission 1600  
     radio deadspot 1601  
     radio link control (RLC) 1602  
     radio link protocol (RLP) 1603  
     radio modem 1604  
     radio network controller (RNC) 1605  
     radio network gateway (RNG) 1606  
     radio network termination (RNT) 1607  
     radio regulatory technical advisory group (RRTAG) 1608  
     radio relay system 1609  
     radio resource control (RRC) 1611  
     radio resource management (RRM) 1612  
     radio subsystem (RSS) 1613  
     radio zone 1614  
     random early detection (RED) 1615  
     random number (RAND) 1617  
     rapid spanning tree protocol (RSTP) 1618  
     rate adaptive digital subscriber line (RADSL) 1619  
     real time messaging protocol (RTMP) 1620  
     realtime control protocol (RTCP) 1621  
     realtime streaming protocol (RTSP) 1622  
     realtime transport protocol (RTP) 1623  
     received signal strength indicator (RSSI) 1625  
     receiver (Rx) 1626  
     reception level (RXLEV) 1627  
     reception quality (RXQUAL) 1628  
     record keeping server (RKS) 1629  
     reference point (RP) 1630  
     regenerative repeater 1632  
     regenerator (REG) 1633  
     regenerator section overhead (RSOH) 1634  
     registration 1636  
     registration, admission and status (RAS) 1637  
     regular pulse excitation (RPE) 1638  
     relative distinguished name (RDN) 1639  
     reliable transfer service element (RTSE) 1640  
     remote access server (RAS) 1641  
     remote data objects (RDO) 1642  
     remote multiplexer unit (RMU) 1643  
     remote radio head (RRH) 1644  
     remote source route bridging (RSRB) 1645  
     remote voice protocol (RVP) 1646  
     re-shaping, re-amplification, re-timing (3R) 1647  
     resilient packet ring (RPR) 1649  
     resonant cavity LED (RC-LED) 1650  
     resource and admission control function (RACF) 1651  
     resource management (RM) 1652  
     resource reservation protocol (RSVP) 1653  
     resource reservation protocol traffic engineering (RSVP-TE) 1654  
     retrain 1655  
     reverse address resolution protocol (RARP) 1656  
     reverse path broadcast (RPB) 1657  
     reverse path forward (RPF) 1658  
     reverse path multicasting (RPM) 1659  
     reverse tunneling 1660  
     rich media conferencing 1661  
     ring control (RC) 1662  
     ring tone 1663  
     roaming 1664  
     robot (bot) 1666  
     robust header compression (ROHC) 1667  
     rouind robin interrupt 1668  
     round trip delay (RTD) 1669  
     round trip time (RTT) 1670  
     route 1671  
     router (RO) 1672  
     routing 1674  
     routing area (RA) 1677  
     routing domain (RD) 1678  
     routing information indicator (RII) 1679  
     routing information protocol (RIP) 1680  
     routing protocol 1681  
     routing table (RT) 1682  
     routing table maintenance protocol (RTMP) 1683  
     routing table protocol (RTP) 1684  
     RPR network 1685  
     RPR protocol 1687  
  S 1688  
     S0 interface 1689  
     S2M interface 1691  
     satellite-based mobile communications 1692  
     scalable orthogonal frequency division multiplex access (SOFDMA) 1693  
     scheduled transfer protocol (STP) 1694  
     SDH layered model 1695  
     SDH network 1696  
     second generation (2G) 1698  
     secondary station 1699  
     section overhead (SOH) 1700  
     secure HTTP (S-HTTP) 1702  
     security parameter index (SPI) 1703  
     segment 1704  
     segment switching 1705  
     segment type (ST) 1706  
     segmentation and reassembly sublayer (SAR) 1707  
     semiconductor optical amplifier (SOA) 1708  
     semipermanent connection 1709  
     sequence count field (SC) 1710  
     sequence number (SN) 1711  
     sequenced packet exchange protocol (SPX) 1712  
     serial line Internet protocol (SLIP) 1713  
     server appliance 1714  
     server load balancing (SLB) 1715  
     service access point identifier (SAPI) 1717  
     service advertising protocol (SAP) 1718  
     service area (SA) 1719  
     service call sign 1720  
     service code (SC) 1721  
     service control point (SCP) 1722  
     service creation environment point (SCEP) 1723  
     service data unit (SDU) 1724  
     service delivery platform (SDP) 1725  
     service discovery application profile (SDAP) 1726  
     service feature (SF) 1727  
     service in the PSTN/IN requesting Internet service (SPIRITS) 1728  
     service independent building block (SIB) 1729  
     service interface point (SIP) 1730  
     service level agreement (SLA) 1731  
     service level specification (SLS) 1732  
     service profile 1733  
     service set ID (SSID) 1734  
     service specific connection oriented protocol (SSCOP) 1735  
     service switching point (SSP) 1736  
     serving GPRS support node (SGSN) 1737  
     session announcement protocol (SAP) 1738  
     session description protocol (SDP) 1740  
     session initiation protocol (SIP) 1741  
     session initiation protocol for telephones (SIP-T) 1742  
     short message service (SMS) 1743  
     shortest path first (SPF) 1744  
     signalling (SIG) 1745  
     signalling connection control part (SCCP) 1746  
     signalling gateway (SGW) 1748  
     signalling system no 7 (SS7) 1749  
     signalling transfer point (STP) 1751  
     signalling transport (SIGTRAN) 1752  
     signed response (SRES) 1753  
     SIMlock 1754  
     simple gateway control protocol (SGCP) 1755  
     simple object access protocol (SOAP) 1756  
     simple service discovery protocol (SSDP) 1757  
     single frequency network (SFN) 1758  
     single line multi service (SLMS) 1759  
     single pair high bit rate digital subscriber line (SHDSL) 1760  
     single per carrier system (SPCS) 1761  
     single protocol router (SPR) 1762  
     single-channel radio network 1763  
     skinny client control protocol (SCCP) 1764  
     slow ACCH (SACCH) 1765  
     small office, home office (SoHo) 1766  
     smartphone browser 1767  
     SMS cell broadcast (SMS-CB) 1769  
     soft switch 1770  
     SoHo router 1772  
     soliton waves 1773  
     source address (SA) 1774  
     source routing (SR) 1775  
     source routing transparent (SRT) 1776  
     space-division multiple access (SDMA) 1777  
     spanning tree (SPT) 1778  
     spanning tree protocol (STP) 1779  
     spatial reuse protocol (SRP) 1780  
     specific absorption rate (SAR) 1781  
     splitter 1782  
     spoofing 1783  
     spread spectrum technology (SST) 1784  
     spreading code 1785  
     staffing and exchange protocol (SEP) 1786  
     stand-alone dedicated control channel (SDCCH) 1787  
     standard window size 1788  
     static routing 1789  
     stream control transmission protocol (SCTP) 1790  
     streaming media 1792  
     streaming standard 1794  
     structured data transfer (SDT) 1795  
     sub addressing (SUB) 1796  
     subnet (SN) 1797  
     subnet bandwidth manager (SBM) 1798  
     subnetwork dependent convergence protocol (SNDCP) 1799  
     subscriber control input via Internet (ISCI) 1800  
     subscriber distribution interface (SDI) 1801  
     subscriber identity module (SIM) 1802  
     subscriber line 1803  
     subscriber management system (SMS) 1804  
     subscriber number (SN) 1805  
     subscriptionless mobile networking (SMN) 1806  
     sub-wavelength switching 1807  
     superframe (SF) 1808  
     supervisory frame (S-frame) 1809  
     supplementary service 1810  
     sustainable cell rate (SCR) 1811  
     swap 1812  
     switch 1813  
     switched multimegabit data service (SMDS) 1814  
     switched virtual circuit (SVC) 1815  
     switching center 1816  
     switching fabric (SF) 1817  
     switching subsystem (SSS) 1819  
     switching system 1820  
     symmetric digital subscriber line (SDSL) 1821  
     synchronization channel (SCH) 1822  
     synchronization management language (syncML) 1823  
     synchronization supply unit (SSU) 1824  
     synchronized sample scrambler (SSS) 1825  
     synchronous digital hierarchy (SDH) 1826  
     synchronous optical network (SONET) 1829  
     synchronous payload envelope (SPE) 1831  
     synchronous residual time stamp (SRTS) 1832  
     synchronous transfer mode (STM) 1833  
     synchronous transport modul (STM-n) 1834  
     synchronous transport signal (STS) 1836  
     system architecture evolution (SAE) 1837  
  T 1838  
     T line 1839  
     tagging 1840  
     tandem connection monitoring (TCM) 1841  
     tap 1842  
     taper coupler 1843  
     TCP rate control 1844  
     TCP/IP routing 1845  
     teaming number 1847  
     technical specification group (TSG) 1848  
     telecommunication and Internet converged services and protocols (TISPAN) 1849  
     telecommunication management network (TMN) 1850  
     telephone network 1852  
     telephone number (DN) 1853  
     telephone number block 1854  
     telephone number mapping (ENUM) 1855  
     telephone socket 1856  
     telephone system 1857  
     telephony application server (TAS) 1858  
     telephony routing information protocol (TRIP) 1859  
     telepoint 1860  
     telocator data protocol (TDP) 1861  
     temporary mobile station (TMS) 1862  
     temporary mobile subscriber identity (TMSI) 1863  
     terabit router 1864  
     terminal adapter (TA) 1865  
     terminal equipment (TE) 1866  
     terminal equipment identifier (TEI) 1867  
     terminal multiplexer (TM) 1868  
     terminal portability (TP) 1869  
     terminal server (TS) 1870  
     TETRA enhanced data service (TEDS) 1871  
     Tetra network 1872  
     Tetra service 1874  
     Tetra transmission frequencies 1875  
     Tetrapol 1876  
     third generation (3G) 1877  
     third generation partnership project (3GPP) 1879  
     third generation partnership project 2 (3GPP2) 1880  
     third party quality monitoring (TPQM) 1881  
     three party service (3PTY) 1882  
     time division duplex (TDD) 1883  
     time division multiple access (TDMA) 1884  
     time division multiple access/frequency diversity duplex (TDMA/FDD) 1885  
     time division multiple access/time division duplex (TDMA/TDD) 1886  
     time division multiplexing (TDM) 1887  
     time division multiplexing over IP (TDMoIP) 1888  
     time division synchronous code division multiple access (TD-SCDMA) 1889  
     time slot interchange (TSI) 1891  
     time transparency 1892  
     timing advance (TA) 1893  
     tone paging 1894  
     total access communications system (TACS) 1895  
     TR-069 1896  
     TR-104 1897  
     traffic engineering (TE) 1898  
     traffic management (TM) 1899  
     traffic policing 1900  
     traffic shaper 1901  
     traffic shaping (TS) 1902  
     trailing packet discard (TPD) 1903  
     trans European trunked radio access (TETRA) 1904  
     transaction capability (TC) 1906  
     transcoding equipment (TCE) 1907  
     transfer point 1908  
     transmission control protocol (TCP) 1909  
     transmission convergence sublayer (TC) 1910  
     transmission system 1 (T1) 1911  
     transmission system 2 (T2) 1912  
     transmission system 3 (T3) 1913  
     transmodulation 1914  
     transparent asynchronous xmitter/ receiver interface (TAXI) 1915  
     transport MPLS (T-MPLS) 1916  
     transport protocol data unit (TPDU) 1917  
     tree and tabular combined notation (TTCN) 1918  
     tri band mobile phone 1919  
     tributary unit (TU) 1920  
     trumpet 1921  
     trunk line 1922  
     trunk media gateway (TMG) 1923  
     trunk up down (TUD) 1924  
     trunked line 1925  
     trunked system controller (TSC) 1926  
     trunking 1927  
     trunking radio 1928  
     tunable laser 1930  
     tunneling 1931  
     two wave mixing 1934  
     two wire cable 1935  
     type of service (ToS) 1936  
  U 1938  
     U band 1939  
     UK0 interface 1940  
     UK2 interface 1941  
     ultra long haul (ULH) 1942  
     ultra mobile broadband (UMB) 1943  
     UMTS mobile phone 1945  
     UMTS network 1946  
     UMTS standard 1947  
     UMTS terrestrial radio access network (UTRAN) 1948  
     UMTS terrestrical radio access (UTRA) 1949  
     UMTS transmission rate 1950  
     unidirectional path switching ring (UPSR) 1951  
     uniform resource characteristic (URC) 1952  
     uniform resource locator (URL) 1953  
     unique identification number (UIN) 1954  
     universal asymmetric digital subscriber line (UDSL) 1955  
     universal computer protocol (UCP) 1956  
     universal Internet number (UIN) 1957  
     universal media gateway (UMG) 1958  
     universal mobile telecommunications system (UMTS) 1959  
     universal personal telecommunications (UPT) 1961  
     universal subscriber identity module (USIM) 1962  
     universal test and operation PHY-interface for ATM (UTOPIA) 1963  
     unlicensed mobile access (UMA) 1964  
     unspecified bit rate (UBR) 1965  
     unstructured supplementary service data (USSD) 1966  
     UP0 interface 1967  
     update number (UN) 1968  
     U-R2 interface 1969  
     US digital cellular (USDC) 1970  
     user agent (UA) 1971  
     user class of service (UC) 1972  
     user datagram protocol (UDP) 1973  
     user network interface (UNI) 1975  
     user part (UP) 1976  
     user plane (UP) 1978  
     user to user signalling service (UUS) 1979  
     UWC-136 1980  
     Ux interface 1981  
  V 1982  
     V.21 1983  
     V.22 1984  
     V.22bis 1985  
     V.27ter 1986  
     V.29 1987  
     V.32, V.32bis, V.32terbo 1988  
     V.34 1989  
     V.42, V.42bis 1990  
     V.44 1991  
     V.90 1992  
     V.92 1993  
     variable bit rate (VBR) 1994  
     VDSL2 1995  
     vendor independent messaging (VIM) 1997  
     vertical cavity surface emitting laser (VCSEL) 1998  
     very high speed digital subsciber line (VDSL) 2000  
     very long haul (VLH) 2003  
     virtual channel (VC) 2004  
     virtual channel connection (VCC) 2005  
     virtual channel identifier (VCI) 2006  
     virtual circuit (VC) 2007  
     virtual concatenation (VC) 2008  
     virtual concatenation group (VCG) 2009  
     virtual connection (VC) 2010  
     virtual container (VC-n) 2011  
     virtual path (VP) 2012  
     virtual path identifier (VPI) 2013  
     virtual private network (VPN) 2014  
     virtual private wire service (VPWS) 2016  
     virtual router (VR) 2017  
     virtual router redundancy protocol (VRRP) 2018  
     virtual scheduling (VS) 2019  
     virtual tributary (VT) 2020  
     virtual wavelength path (VWP) 2021  
     visitor location register (VLR) 2022  
     VLAN crossconnect (VLAN-XC) 2023  
     voice activity detection (VAD) 2024  
     voice and telephony over ATM (VToA) 2025  
     voice operated transmission (VOX) 2026  
     voice over ATM (VoATM) 2027  
     voice over DSL (VoDSL) 2029  
     voice over frame relay (VoFR) 2030  
     voice over Internet (VoIT) 2031  
     voice over IP (VoIP) 2033  
     voice profile for Internet mail (VPIM) 2036  
     voice quality 2037  
     VoIP private branch exchange (VoIP-PBX) 2038  
  W 2039  
     WAP forum 2040  
     wavelength converter 2041  
     wavelength division multiplexing (WDM) 2042  
     wavelength interchange crossconnect (WIXC) 2044  
     wavelength selective cross-connect (WSXC) 2045  
     wavelength switching 2046  
     web application firewall (WAF) 2047  
     web cache communication protocol (WCCP) 2048  
     weighted fair queuing (WFQ) 2049  
     weighted random early detection (WRED) 2050  
     weighted round robin queuing (WRR) 2051  
     wide area file service (WAFS) 2052  
     wide area information server (WAIS) 2053  
     wide area network (WAN) 2054  
     wide wavelength division multiplex (WWDM) 2056  
     wideband code division multiple access (WCDMA) 2057  
     WiMAX forum 2058  
     WiMAX network 2059  
     window size 2061  
     window technique 2063  
     wireless access communication system (WACS) 2064  
     wireless application environment (WAE) 2065  
     wireless application protocol (WAP) 2066  
     wireless ATM (WATM) 2069  
     wireless broadband (WiBro) 2070  
     wireless datagram protocol (WDP) 2072  
     wireless digital subscriber line (WDSL) 2073  
     wireless Ethernet compatibility alliance (WECA) 2074  
     wireless local loop (WLL) 2075  
     wireless markup language (WML) 2076  
     wireless metropolitan area network (WMAN) 2077  
     wireless network management (WNM) 2078  
     wireless regional area network (WRAN) 2079  
     wireless robust authentication protocol (WRAP) 2080  
     wireless session protocol (WSP) 2081  
     wireless telephony API (WTA) 2082  
     wireless transaction protocol (WTP) 2083  
     wireless transport layer security (WTLS) 2084  
     worldwide interoperability for microwave access (WiMAX) 2085  
  X 2088  
     X.11 2089  
     X.21 2090  
     X.21bis 2092  
     X.22 2093  
     X.25 2094  
     X.25 protocol 2095  
     X.31 2096  
     X.500 2097  
     X.500 user directory 2099  
     X.509 2100  
     X.75 2101  
     X400 2102  
     xDSL technologies 2103  
  Z 2105  
     zone 2106  
  Imprint 2107  

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