Knowledge

Vertical service code

Source 📝

709: 971: 885: 975: 940:
After dialing 1471, the caller can press "3" to automatically return the call. Previously free, since August 2004 the return call service incurs a charge.
865: 97:
is a somewhat dated reference to older switching methods and the fact that these services can only be accessed by a telephone subscriber, going up (
81:(CLASS or LASS) codes in the 1960s and 70s. Their use became ubiquitous throughout the 1990s and eventually became a recognized standard. As 90: 118: 74: 1012: 980: 1017: 666: 121:
for use in the NANP territories. Not all of these services are available in all areas, and some are only available on
695: 986: 823: 862: 735: 1007: 595: 470: 788: 43:
to access certain telephone service features. Some vertical service codes require dialing of a
195:
Call Hold (Single Line Variety Package). Permits the call to be picked up at another station.
916: 8: 888:
This only allows one to return the last unanswered call, and can cost 35 cents per use.
102: 899: 762: 713: 582: 307: 990: 680: 620: 358: 44: 36: 962: 869: 429: 416: 280: 217:
Distinctive Ring C. Allows a subscriber to alert a specific party distinctively.
206:
Distinctive Ring B. Allows a subscriber to alert a specific party distinctively.
132:
Local Area Signalling Services (LASS) and Custom Calling Feature Control Codes:
67: 1001: 689: 519: 506: 456: 442: 255: 242: 52: 391: 126: 117:
The following are the vertical service codes generally recommended by the
40: 32: 700: 228: 48: 685: 569: 293: 70: 184:. Provides the directory number, date and time of unanswered calls. 122: 28: 858: 881: 59:. On rotary dial telephones, the star is replaced by dialing 533: 16:
Telephone dialing code for access to service features
51:
telephone, the codes are usually initiated with the
999: 824:"HOW TO: block your number when calling someone" 761:voyager (April 15, 1995). Erik Bloodaxe (ed.). 863:"Telstra Home Phones and Plans – Call Return" 742:. North American Numbering Plan Administrator 91:North American Numbering Plan Administration 789:"Vertical Service Codes – Code Assignments" 736:"Vertical Service Codes – Code Definitions" 119:North American Numbering Plan Administrator 27:) is a sequence of digits and the signals 949:1832 on landlines, or *31# from a mobile 813:1831 on landlines, or #31# from a mobile 75:American Telephone and Telegraph Company 897:1361 to get number, 1363 to call back. 760: 1000: 112: 55:, resulting in the commonly used name 886:"Optus Personal – Using Call Return" 848:141 on landlines and #31# on mobiles 730: 728: 85:was an AT&T trademark, the term 79:Custom Local Area Signaling Services 609:Deactivate call forwarding on busy 13: 558:Selective call forwarding disable 231:(Malicious caller identification) 14: 1029: 956: 725: 696:Public switched telephone network 347:Activate call forwarding on busy 320:Calling number delivery blocking 974: This article incorporates 969: 963:ETSI Supplementary service codes 707: 417:Unconditional forward: All calls 109:) to another telephone company. 987:General Services Administration 943: 934: 692:implementations of VSC features 645:Conditional forward: No answer 634:Conditional forward: Busy line 405:Usage sensitive three-way call 891: 874: 851: 842: 816: 807: 781: 754: 47:after the code sequence. On a 1: 1013:North American Numbering Plan 718: 688:– Prompt voice for most U.S. 73:, VSCs were developed by the 663: 660: 652: 649: 641: 638: 630: 627: 616: 613: 605: 602: 591: 588: 578: 575: 565: 562: 554: 551: 546: 544: 542: 540: 537: 529: 526: 515: 512: 502: 499: 491: 488: 480: 477: 466: 463: 452: 449: 438: 435: 425: 422: 412: 409: 401: 398: 387: 384: 379: 374: 371: 368: 363: 354: 351: 343: 340: 333: 331: 329: 327: 322: 316: 313: 303: 300: 289: 286: 275: 272: 264: 261: 251: 248: 238: 235: 224: 221: 213: 210: 202: 199: 191: 188: 177: 174: 7: 1018:Telephone numbers in Canada 674: 134: 10: 1034: 667:Wireless Priority Service 157: 154: 151: 148: 145: 142: 139: 596:Anonymous call rejection 583:Continuous redial cancel 471:Anonymous call rejection 884:HFC Telephony network. 868:March 14, 2011, at the 495:Do not disturb disable 268:Selective call waiting 982:Federal Standard 1037C 976:public domain material 714:Telephones portal 656:Directed call pickup 507:Call blocking disable 140:Vertical service code 87:vertical service code 21:vertical service code 993:on January 22, 2022. 917:"Number OSIRASE 136" 534:Caller ID (per call) 430:Call forward: Cancel 296:delivery activation 136: 113:Feature definitions 101:) inside the local 89:was adopted by the 143:Service definition 135: 740:NationalNANPA.com 672: 671: 570:Caller ID disable 308:Continuous redial 1025: 1008:Calling features 995: 994: 989:. Archived from 973: 972: 950: 947: 941: 938: 932: 931: 929: 927: 914: 912: 910: 895: 889: 878: 872: 855: 849: 846: 840: 839: 837: 835: 828:Telstra Exchange 820: 814: 811: 805: 804: 802: 800: 785: 779: 778: 776: 774: 758: 752: 751: 749: 747: 732: 712: 711: 710: 681:Mobile dial code 621:Last-call return 359:Last-call return 137: 105:instead of out ( 45:telephone number 37:telephone keypad 35:(#) dialed on a 1033: 1032: 1028: 1027: 1026: 1024: 1023: 1022: 998: 997: 979: 970: 968: 959: 954: 953: 948: 944: 939: 935: 925: 923: 915: 908: 906: 898: 896: 892: 879: 875: 870:Wayback Machine 856: 852: 847: 843: 833: 831: 822: 821: 817: 812: 808: 798: 796: 787: 786: 782: 772: 770: 767:Phrack Magazine 763:"The #hack FAQ" 759: 755: 745: 743: 734: 733: 726: 721: 708: 706: 677: 484:Do not disturb 376: 365: 335: 324: 281:call forwarding 169: 164: 115: 17: 12: 11: 5: 1031: 1021: 1020: 1015: 1010: 966: 965: 958: 957:External links 955: 952: 951: 942: 933: 890: 873: 850: 841: 815: 806: 780: 753: 723: 722: 720: 717: 704: 703: 698: 693: 683: 676: 673: 670: 669: 664: 662: 658: 657: 654: 651: 647: 646: 643: 640: 636: 635: 632: 629: 625: 624: 618: 615: 611: 610: 607: 604: 600: 599: 593: 590: 586: 585: 580: 577: 573: 572: 567: 564: 560: 559: 556: 553: 549: 548: 545: 543: 541: 539: 536: 531: 528: 524: 523: 517: 514: 510: 509: 504: 501: 497: 496: 493: 490: 486: 485: 482: 479: 475: 474: 468: 465: 461: 460: 454: 451: 447: 446: 440: 437: 433: 432: 427: 424: 420: 419: 414: 411: 407: 406: 403: 400: 396: 395: 389: 386: 382: 381: 378: 373: 370: 367: 362: 356: 353: 349: 348: 345: 342: 338: 337: 332: 330: 328: 326: 321: 318: 315: 311: 310: 305: 302: 298: 297: 294:Calling number 291: 288: 284: 283: 277: 274: 270: 269: 266: 263: 259: 258: 253: 250: 246: 245: 240: 237: 233: 232: 226: 223: 219: 218: 215: 212: 208: 207: 204: 201: 197: 196: 193: 190: 186: 185: 179: 176: 172: 171: 166: 160: 159: 156: 153: 150: 147: 144: 141: 125:telephones or 114: 111: 103:central office 77:(AT&T) as 68:North American 15: 9: 6: 4: 3: 2: 1030: 1019: 1016: 1014: 1011: 1009: 1006: 1005: 1003: 996: 992: 988: 984: 983: 977: 964: 961: 960: 946: 937: 922: 918: 905: 901: 900:"NewsRelease" 894: 887: 883: 877: 871: 867: 864: 860: 854: 845: 829: 825: 819: 810: 794: 790: 784: 768: 764: 757: 741: 737: 731: 729: 724: 716: 715: 702: 699: 697: 694: 691: 687: 684: 682: 679: 678: 668: 665: 659: 655: 648: 644: 637: 633: 626: 622: 619: 612: 608: 601: 598:deactivation 597: 594: 587: 584: 581: 574: 571: 568: 561: 557: 550: 535: 532: 525: 521: 520:Priority call 518: 511: 508: 505: 498: 494: 487: 483: 476: 472: 469: 462: 459:(30 numbers) 458: 457:Speed calling 455: 448: 444: 443:Speed calling 441: 434: 431: 428: 421: 418: 415: 408: 404: 397: 393: 390: 383: 360: 357: 350: 346: 339: 319: 312: 309: 306: 299: 295: 292: 285: 282: 278: 271: 267: 260: 257: 256:Priority call 254: 247: 244: 243:Call blocking 241: 234: 230: 227: 220: 216: 209: 205: 198: 194: 187: 183: 182:Who called me 180: 173: 167: 162: 161: 138: 133: 130: 128: 127:Mobile phones 124: 120: 110: 108: 104: 100: 96: 93:. The use of 92: 88: 84: 80: 76: 72: 69: 64: 62: 58: 54: 50: 46: 42: 38: 34: 30: 26: 22: 991:the original 981: 967: 945: 936: 924:. Retrieved 920: 907:. Retrieved 903: 893: 876: 853: 844: 832:. Retrieved 827: 818: 809: 797:. Retrieved 792: 783: 771:. Retrieved 766: 756: 744:. Retrieved 739: 705: 445:(8 numbers) 392:Call waiting 181: 131: 116: 107:horizontally 106: 98: 94: 86: 82: 78: 65: 60: 56: 24: 20: 18: 769:. p. 7 473:activation 361:(incoming) 41:rotary dial 1002:Categories 719:References 701:Short code 538:*31#/1832 279:Selective 229:Call trace 99:vertically 57:star codes 49:touch tone 33:pound/hash 861:services 857:*10# for 830:. Telstra 799:March 18, 795:. Neustar 793:NANPA.com 773:March 18, 686:Pat Fleet 146:Australia 71:telephony 926:June 20, 921:NTT West 909:June 20, 904:NTT East 866:Archived 746:July 30, 690:AT&T 675:See also 522:disable 394:disable 170:dialing 123:landline 95:vertical 53:star key 31:(*) and 880:*69 on 859:Telstra 834:May 28, 623:cancel 364:*69 HFC 165:dialing 152:Israel 149:France 978:from 882:Optus 661:*272 653:1194 642:1192 631:1190 617:1189 606:1188 592:1187 579:1186 566:1185 555:1183 547:1470 530:1182 516:1181 503:1180 492:1179 481:1178 467:1177 453:1175 439:1174 426:1173 413:1172 402:1171 388:1170 380:1471 377:1363 369:3131 366:*10# 355:1169 344:1168 336:#31# 325:#31# 317:1167 304:1166 290:1165 276:1163 265:1162 252:1161 239:1160 225:1157 214:1154 203:1153 192:1152 178:1151 168:Pulse 155:Japan 83:CLASS 928:2013 911:2013 836:2017 801:2013 775:2013 748:2022 650:*94 639:*92 628:*90 614:*89 603:*88 589:*87 576:*86 563:*85 552:*83 527:*82 513:*81 500:*80 489:*79 478:*78 464:*77 450:*75 436:*74 423:*73 410:*72 399:*71 385:*70 375:1361 372:*42 352:*69 341:*68 323:1831 314:*67 301:*66 287:*65 273:*63 262:*62 249:*61 236:*60 222:*57 211:*54 200:*53 189:*52 175:*51 163:Tone 29:star 334:141 158:UK 66:In 39:or 25:VSC 1004:: 985:. 919:. 902:. 826:. 791:. 765:. 738:. 727:^ 129:. 63:. 61:11 19:A 930:. 913:. 838:. 803:. 777:. 750:. 23:(

Index

star
pound/hash
telephone keypad
rotary dial
telephone number
touch tone
star key
North American
telephony
American Telephone and Telegraph Company
North American Numbering Plan Administration
central office
North American Numbering Plan Administrator
landline
Mobile phones
Call trace
Call blocking
Priority call
call forwarding
Calling number
Continuous redial
Last-call return
Call waiting
Unconditional forward: All calls
Call forward: Cancel
Speed calling
Speed calling
Anonymous call rejection
Call blocking disable
Priority call

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