Misc Tones Used In National Networks Brought to you by: TiTaNiA for those sexy canadians! Disclaimer: Results may vary. This list is current, but there is no standards for such tones. (they are kinda sorta in alphabetical order.. sorry ;) XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX COUNTRY/TONE FREQ(Hz)/CADENCE(s)econds)X XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX Albania (Republic of) Busy tone - 425 0.5 on 0.5 off Congestion tone - 425 0.15 on 0.15 off Dial tone - 425 continuous Pay tone - 12000 Ringing tone - 425 1.2 on 4.65 off Special information tone - 425 0.2 on 0.2 off Call waiting tone - 425 0.2 on 0.6 off Algeria (People's Democratic Republic of) Busy tone - 450 0.5 on 0.5 off Ringing tone - 25//50 1.5 on 3.5 off Germany (Federal Republic of) Busy tone - I 425 0.48 on 0.48 off Busy tone - II 425 0.5 on 0.5 off Congestion tone - I 425 0.24 on 0.24 off Congestion tone - II 425 0.2 on 0.2 off Dial tone - 425 continuous Special dial tone - 425+400 continuous Holding tone - 425 0.15 on 0.15 off 0.15 on 8.0 off Payphone recognition tone - I 1633/1336 5x(0.2 on 0.2 off 0.2 on 2.0 off) Payphone recognition tone - II 900 0.2 on 0.2 off 0.2 on 0.2 off 0.2 on Ringing tone - I 425 1.0 on 4.0 off Ringing tone - II 425 0.25 on 4.0 off 1.0 on 4.0 off 1.0 on 4.0 off Special information tone - I 900/1400/1800 3x0.33 on 1.0 off Special information tone - II 950/1400/1800 3x0.33 on 1.0 off Warning tone - operator intervening 425 0.24 on 0.24 off 0.24 on 1.28 off Call waiting tone - I (2) 425 0.2 on 0.2 off 0.2 on 5.0 off Call waiting tone - II (2) 425 0.2 on 0.2 off 0.2 on 8.0 off Angola (Republic of) Busy tone - 400 0.5 on 0.5 off Congestion tone - 400 0.5 on 0.5 off Dial tone - 400 continuous Number unobtainable tone - 400 0.2 on 0.2 off Ringing tone - 25 1.0 on 5.0 off Waiting tone - 400 1.0 on 5.0 off Anguilla Busy tone - 480+620 0.5 on 0.5 off Congestion tone - 480+620 0.25 on 0.25 off Dial tone - 350+440 continuous Recall dial tone - 350+440 3x(0.1 on 0.1 off) + continuous Number unobtainable tone - 480+620 0.25 on 0.25 off Payphone recognition tone - 1600/1143 0.2 on 0.2 off 0.2 on 2.0 off Ringing tone - 440+480 2.0 on 4.0 off Special information tone - 950/1400/1800 3x0.33 on 1.0 off Warning tone - operator intervening 450 0.2 on 0.2 off 0.65 on 0.2 off Waiting tone - 440 1x(0.5 on 10.0 off 0.5 on) Antigua and Barbuda Busy tone - 480+620 0.5 on 0.5 off Congestion tone - 480+620 0.25 on 0.25 off Dial tone - 350+440 continuous Pay tone - 622 0.136 on 0.136 off Ringing tone - 440+480 2.0 on 4.0 off Special information tone - announcement Call waiting tone - 480 1x(0.6 on 10.0 off) Saudi Arabia (Kingdom of) Busy tone - 425 0.5 on 0.5 off Congestion tone - 425 0.25 on 0.25 off Conference tone - 425 0.5 on 2.0 off 0.5 on 15.0 off Dial tone - 425 continuous Payphone recognition tone - 1600/1200 0.2 on 0.2 off 0.2 on 4.0 off Ringing tone - 425 1.2 on 4.6 off Call waiting tone - 425 0.15 on 0.2 off 0.15 on 10.0 off Argentine Republic Busy tone - 425 0.3 on 0.2 off Congestion tone - 425 0.3 on 0.4 off Dial tone - 425 continuous End of three party service tone - 950/1400/1800 1x(3x0.33 on) Ringing tone - 425 1.0 on 4.0 off Service activated tone - 425 1.0 on 0.25 off Warning tone - operator intervening 1400 5x0.1 on 1.9 off Waiting tone - 425 0.4 on 0.2 off 0.4 on 4.0 off Call waiting tone - 425 0.3 on 10.0 off Aruba Busy tone - 425 0.5 on 0.5 off Confirmation tone - 425 continuous Congestion tone - 425 0.25 on 0.25 off Dial tone - 425 continuous Refusal tone - 425 0.06 on 0.06 off Ringing tone - 425 1.0 on 4.0 off Special information tone - 950/1400/1800 3x0.33 on 1.0 off Call waiting tone - 425 0.2 on 0.2 off 0.2 on 4.4 off Ascension Busy tone - 400 0.384 on 0.384 off Congestion tone - 400 continuous Dial tone - 350+450 continuous Number unobtainable tone - 400 continuous Ringing tone - 400+450 0.384 on 0.192 off 0.384 on 2.016 off Call waiting tone - 1400 1x(0.384 on) Australia Busy tone - 425 0.375 on 0.375 off Congestion tone - 425 0.375 on 0.375 off Conference tone - 425//525 1.0 on 15.0 off 0.36 on 15.0off Dial tone - 425x25//400+425+450 continuous Facilities tone - 425 continuous Intrusion tone - 425//525 continuous Number unobtainable tone - 425 2.5 on 0.5 off Payphone recognition tone - 1209/852 0.2 on 0.2 off 0.2 on 2.0 off Record tone - 1400 0.425 on 15.0 off Ringing tone - 400x25//400+425+450//4 0.4 on 0.2 off 0.4 on 2.0 off 00+450 Warning tone - operator intervening 900 0.5 on Call waiting tone - 425 0.2 on 0.2 off 0.2 on 4.4 off Austria Busy tone - I 420 0.4 on 0.4 off Busy tone - II (5) 450 0.3 on 0.3 off Congestion tone - I 420 0.2 on 0.2 off Congestion tone - II (5) 450 0.3 on 0.3 off Dial tone - 420//450 continuous Recall dial tone - 420 continuous Special dial tone - 380+420 continuous Negative indication tone - 380+420 0.4 on 0.4 off Number unobtainable tone - 950/1400/1800 3x0.33 on 1.0 off Pay tone - 852 1.5 on Positive indication tone - 380+420 1.0 on 5.0 off Payphone recognition tone - 1336/1633 0.2 on 0.2 off 0.2 on 2.0 off Ringing tone - 420//450 1.0 on 5.0 off Special information tone - 950/1400/1800 3x0.33 on 1.0 off Warning tone - operator intervening 420//450 0.15 on 0.15 off 0.15 on 1.95 off Waiting tone - 420 0.04 on 1.95 off Bahamas (Commonwealth of the) Busy tone - 480/620/420//400 0.5 on 0.5 off Ringing tone - 440/480//420/20//400 2.0 on 4.0 off Bahrain (State of) Acceptance tone - 425 0.06 on 0.06 off Busy tone - 425 0.375 on 0.375 off Congestion tone - 425 0.40 on 0.35 off 0.225 on 0.525 off Dial tone - 330x440 continuous Number unobtainable tone - 425 continuous Pay tone - 816/1209 O.125 on 1.5 off Ringing tone - 425 0.4 on 0.2 off 0.4 on 2.0 off Route tone - 425 0.06 on 0.06 off Call waiting tone - 425 0.2 on 0.6 off 0.2 on 5.0 off Bangladesh (People's Republic of) Busy tone - 450 0.2 on 0.3 off 0.7 on 0.8 off Congestion tone - 450 0.25 on 0.25 off Dial tone - 450 continuous Special dial tone - 450 0.4 on 0.4 off Howler tone - 3000 continuous Pay tone - 800/1900 continuous Ringing tone - 450 1.0 on 4.0 off Warning tone - operator intervening 450 0.20 on 0.02 off 0.20 on 1.40 off Call waiting tone - 450 3.0 on 10.0 off Barbados Busy tone - 480+620 0.5 on 0.5 off Congestion tone - 480+620 0.25 on 0.25 off Dial tone - 350+440 continuous Ringing tone - 440+480 2.0 on 4.0 off Special information tone - 950/1400/1800 3x0.33 on Call waiting tone - 440 2x(0.3 on 10.0 off) Belarus (Republic of) Busy tone - 425 0.4 on 0.4 off Ringing tone - 425 0.8 on 3.2 off Belgium Busy tone - 425 0.5 on 0.5 off Congestion tone - 425 0.167 on 0.167 off Dial tone - 425 continuous Special dial tone - 425 1.0 on 0.25 off Holding tone - 1400 0.4 on 15.0 off Ringing tone - 425 1.0 on 3.0 off Special information tone - 900/1400/1800 3x0.33 on 1.0 off Call waiting tone - 1400 0.175 on 0.175 off 0.175 on 3.50 off Benin (Republic of) Busy tone - 440//425 0.5 on 0.5 off Congestion tone - announcement Dial tone - 440//425 continuous Special dial tone - 330+440 continuous Pay tone - announcement Ringing tone - 440//425 1.7 on 3.3 off Route tone - 440//425 0.05 on 0.05 off Special information tone - announcement Call waiting tone - 440 continuous Bermuda Busy tone - 480+620 0.5 on 0.5 off Congestion tone - 480+620 0.25 on 0.25 off Dial tone - 350+440 continuous Ringing tone - 440+480 2.0 on 4.0 off Special information tone - 913/1428/1776 0.27 on 0.38 on 0.38 on Call waiting tone - (6) 440 Bhutan (Kingdom of) Busy tone - 400 0.6 on 0.6 off Dial tone - 400+25 continuous Number unobtainable tone - 400 continuous Offering tone, trunk - 450 0.2 on 0.2 off 0.2 on 0.6 off Ringing tone - 400+25 0.4 on 0.2 off 0.4 on 2.6 off Waiting tone - 400 0.5 on 0.25 off Botswana (Republic of) Busy tone - 400 0.375 on 0.375 off Congestion tone - 425 0.25 on 0.25 off Dial tone - 350+450 continuous Number unobtainable tone - 400 continuous Payphone recognition tone - 1600 0.07 on 2.0 off Ringing tone - 400//450 0.4 on 0.2 off 0.4 on 2.0 off Warning tone - operator intervening 425 0.16 on 2.0 off Waiting tone - 425 0.2 on 1.0 off Brazil (Federative Republic of) Busy tone - 425 0.25 on 0.25 off Dial tone - 425 continuous Dial tone - pabx 425 0.975 on 0.05 off Executive override tone - 750 0.02 on 1.0 off Function acknowledge tone - 425 0.1 on 0.1 off 0.1 on 2.0 off Number unobtainable tone - 425 0.75 on 0.25 off 0.25 on 0.25off Pay tone - 300 0.75 on Ringing tone - 425 1.0 on 4.0 off Waiting tone - 425 0.05 on 1.0 off Brunei Darussalam Busy tone - 400 0.375 on 0.375 off Confirmation tone - 400x24 0.1 on 0.1 off 0.3 on 0.3 off Congestion tone - 400 0.375 on 0.375 off Dial tone - 400x50 continuous Special dial tone - 400x24 0.1 on 0.1 off Holding tone - 400x24 0.5 on 2.5 off Number unobtainable tone - 400 continuous Ringing tone - 400+450 0.4 on 0.2 off 0.4 on 0.2 off Warning tone - end of period 400 0.624 on 4.376 off Warning tone - operator intervening 400 0.25 on 2.0 off Warning tone - pip tone 900 0.25 on 0.25 off Waiting tone - 400 0.3 on 0.25 off Call waiting tone - 400x24 0.5 on 0.25 off Bulgaria (Republic of) Busy tone - I 425 0.5 on 0.5 off Busy tone - II 425 0.2 on 0.5 off Busy tone - III 425 0.25 on 0.25 off Congestion tone - I 425 0.25 on 0.25 off Congestion tone - II 425 0.2 on 0.5 off Congestion tone - III 425 0.5 on 0.5 off Dial tone - I 425 continuous Dial tone - II 425 0.25 on 0.75 off 0.75 on 1.0 off Dial tone - III 425 0.25 on 0.3 off 0.7 on 0.8 off Special dial tone - 425 1.5 on 0.1 off Holding tone - 950/950/1400 0.65 on 0.32 off 0.32 on 0.32 off 1.30 on 2.60 off Intrusion tone - 425 0.25 on 0.24 off 0.24 on 1.20 off Payphone recognition tone - 1100+1750/750+1450 0.2 on 0.2 off 0.2 on 2.0 off Ringing tone - I 425 1.0 on 4.0 off Ringing tone - II 425 1.0 on 9.0 off Special information tone - 950/1400/1800 3x0.33 on 1.0 off Warning tone - 1400 0.35 on 0.50 off Call waiting tone - 425 0.15 on 0.15 off 0.15 on 4.0 off Burkina Faso Acceptance tone - 425 1.0 on 4.0 off Busy tone - 425//440//620 0.5 on 0.5 off Confirmation tone - 350 0128 on 0.128 off 0.384 on Congestion tone - 425//620 0.25 on 0.25 off Dial tone - 425//440 continuous Ringing tone - I 425 1.0 on 4.0 off Ringing tone - II 440 1.7 on 3.3 off Ringing tone - III 480 2.0 on 4.0 off Route tone - 425 0.05 on 0.05 off Special information tone - 900/1380/1860 0.35 on 0.30 on 0.35 on 1.0 off Burundi (Republic of) Acceptance tone - 950 continuous Busy tone - 425 0.5 on 0.5 off Congestion tone - 425 0.5 on 0.5 off Dial tone - 425 continuous Special dial tone - 425 0.4 on 0.04 off Ringing tone - 425 1.7 on 3.3 off Route tone - 425 0.5 on 0.5 off Special information tone - 900 0.33 on 0.03 off Cameroon (Republic of) Busy tone - 440 0.5 on 0.5 off Congestion tone - 440 0.25 on 0.25 off Dial tone - 440 continuous Second dial tone - 330+440 continuous Pay tone - 12000 continuous Ringing tone - 440 1.7 on 3.3 off Special information tone - 950/1400/1800 3x0.33 on 1.0 off Call waiting tone - 440 0.2 on 0.6 off 0.2 on Canada Busy tone - 480+620 0.5 on 0.5 off Congestion tone - 480+620 0.25 on 0.25 off Dial tone - 350+440 continuous Ringing tone - 440+480 2.0 on 4.0 off Call waiting tone - 440 2x(0.3 on 10.0 off) Cayman Islands Busy tone - 425 0.5 on 0.5 off Congestion tone - 425 0.25 on 0.25 off Dial tone - 425 continuous COUNTRY/TONE FREQUENCY in Hz CADENCE in seconds Number unobtainable tone - 425 0.25 on 0.25 off Ringing tone - 425 1.0 on 4.0 off Central African Republic Busy tone - 425 0.5 on 0.5 off Congestion tone - 425 0.5 on 0.5 off Dial tone - 425 continuous Second dial tone - 425+330 continuous Number unobtainable tone - 425 0.5 on 0.5 off Pay tone - 12000 0.15 on 0.15 off Ringing tone - 425 1.7 on 3.3 off Route tone - 425 0.05 on 0.05 off Special information tone - 950/1400/1800 3x0.33 on 2x0.30 off Chile Busy tone - 400 0.5 on 0.5 off Congestion tone - 400 0.2 on 0.2 off Dial tone - 400 continuous Second dial tone - 330+440 continuous Identification tone - 800/1200 0.6 on 2.0 off 0.6 on 2.0 off Payphone recognition tone - 1100+1750/750+1450 0.2 on 0.2 off 0.2 on 2.0 off Ringing tone - 400 1.0 on 3.0 off Special information tone - 950/1400/1800 3x0.333 on 1.0 off Warning tone - end of period 800 2.0 on Warning tone - operator intervening 1400 0.5 on 15.0 off Waiting tone - 900+1300 0.5 on 0.5 off China (People's Republic of) Busy tone - 450 0.35 on 0.35 off Congestion tone - 450 0.7 on 0.7 off Dial tone - 450 continuous Second dial tone - 450 continuous Intrusion tone - 450 0.2 on 0.2 off 0.2 on 0.6 off Number unobtainable tone - 450 3x(0.1 on 0.1 off) 0.4 on 0.4 off Ringing tone - 450 1.0 on 4.0 off Special information tone - I 450 0.4 on 0.04 off Special information tone - II 950 0.4 on 10.0 off Waiting tone - 450 0.4 on 4.0 off Cyprus (Republic of) Busy tone - 425 0.5 on 0.5 off Congestion tone - 425 0.25 on 0.25 off Dial tone - 350+450 continuous Number unobtainable tone - 425 2.5 on 0.5 off Pay tone - 1638/1206/943 3x(0.068 on 0.068 off) Ringing tone - 425 1.5 on 3.0 off Special information tone - 950/1400/1800 3x0.33 on 1.0 off Warning tone - operator intervening 1400 0.5 on 14.0 off Call waiting tone - 425 0.1 on 0.1 off 0.1 on 5.3 off Colombia (Republic of) Busy tone - 425 0.25 on 0.25 off Congestion tone - 425 0.10 on 0.25 off 0.35 on 0.25 off 0.65 on 0.25 off Dial tone - 425 continuous Number unobtainable tone - 425 0.65 on 0.25 off 0.20 on 0.60 off Pay tone - 50/12000/16000 0.15 on Ringing tone - 425 1.0 on 4.5 off Special information tone - 950/1400/1800 3x0.333 on 1.0 off Comoros (Islamic Federal Republic of the) Busy tone - 440 0.5 on 0.5 off Dial tone - 440 continuous Second dial tone - 330+440 continuous Ringing tone - 440 1.71 on 0.05 off Route tone - 440 0.05 on 0.05 off Special information tone - 950/1400/1800 3x0.33 on 1.0 off Korea (Republic of) Busy tone - 480+620 0.5 on 0.5 off Congestion tone - 480+620 0.3 on 0.2 off Dial tone - 350+440 continuous Recall dial tone - I 400//450 1.0 on 4.0 off Recall dial tone - II 400//450 1.0 on 2.0 off Intercept tone - 350+440 0.125 on 0.25 off 0.125 on 1.5 off Number unobtainable tone - 450 0.2 on 0.1 off 0.2 on 1.5 off Ringing tone - 440+480 1.0 on 2.0 off Warning tone - operator intervening 392/494/587 2x(0.5 on 0.5 on 1.5 on) Waiting tone - 350+440 0.25 on 0.25 off 0.25 on 3.25 off Costa Rica Busy tone - 425 0.3 on 0.3 off Dial tone - 425 continuous Ringing tone - 425 1.2 on 4.6 off Côte d'Ivoire (Republic of) Busy tone - 425 0.5 on 0.5 off Congestion tone - announcement Dial tone - 425 continuous Second dial tone - 440+330 continuous Line lock-out tone - 425 0.4 on 0.04 off Pay tone - 12000 Ringing tone - 425 1.5 on 3.0 off Special information tone - announcement Call waiting tone - (6) 425 Croatia (Republic of) Busy tone - 425 0.5 on 0.5 off Congestion tone - 425 0.25 on 0.25 off Dial tone - 425 0.2 on 0.3 off 0.7 on 0.8 off Payphone recognition tone - 1206/850 4x(0.2 on 0.2 off 0.2 on 0.2 off) Ringing tone - 425 1.0 on 4.0 off Special information tone - 950/1400/1800 3x0.333 on 1.0 off Call waiting tone - 425 0.3 on 8.0 off Cuba Acceptance tone - 425 continuous Busy tone - 600x120//620+480//425/ 0.5 on 0.5 off /400 Congestion tone - 600x120//425//400 0.25 on 0.25 off Dial tone - I 600x120//425 continuous Dial tone - II 425 0.75 on 0.75 off 0.25 on 0.25 off Negative indication tone - 425 0.5 on 0.5 off Ringing tone - I 425 1.0 on 4.0 off Ringing tone - II 440+480//440+620//480+ 2.0 on 4.0 off 620 Ringing tone - III 420x40 1.0 on 2.0 off Ringing tone - IV 400+450 0.4 on 0.2 off 0.4 on 2.0 off Special information tone - I 950/1400/1800 (3x0.33 on 2x0.33 off) 1.0 off Special information tone - II 400 4x(0.075 on 0.10 off) 0.30 off Warning tone - I, operator 425 0.1 on 4.9 off intervening Warning tone - II,operator 425 0.5 on 0.2 off intervening Call waiting tone - I 425 0.2 on 0.6 off 0.2 on Call waiting tone - II 400 0.5 on 0.5 off Denmark Busy tone - I 425 0.25 on 0.25 off Busy tone - II (1) 425 0.5 on 0.5 off Congestion tone - I 425 0.25 on 0.25 off Congestion tone - II (1) 425 0.2 on 0.2 off Dial tone - 425 continuous Ringing tone - 425 1.0 on 4.0 off Special information tone - 950/1400/1800 3x0.33 on 1.00 off Call waiting tone - I 425 0.2 on 0.2 off 0.2 on 3.6 off 0.2 on 0.2 off 0.2 on Call waiting tone - II (1) 425 0.2 on 0.6 off 0.2 on 3.0 off 0.2 on 0.6 off 0.2 on Diego Garcia Busy tone - 480/620 interrupted at 60 ipm Dial tone - 350/440 continuous Number unobtainable tone - 480/620 interrupted at 120 ipm Ringing tone - 440/480 1.0 on 3.0 off Djibouti (Republic of) Busy tone - 425 0.5 on 0.5 off Dial tone - 425 continuous Ringing tone - 425 1.5 on 3.5 off Route tone - 425 0.05 on 0.05 off Dominican Republic Busy tone - I 400 0.8 on 0.8 off Busy tone - II 400 0.375 on 0.375 off Congestion tone - I 400 0.8 on 0.8 off Congestion tone - II 400 0.375 on 0.375 off Dial tone - I 50 continuous Dial tone - II 33 0.0166 on 0.0166 off Number unobtainable tone - 400 continuous Ringing tone - 400//450 0.4 on 0.2 off 0.4 on 2.2 off Dominica (Commonwealth of) Busy tone - 480+620 0.5 on 0.5 off Congestion tone - 480+620 0.25 on 0.25 off Dial tone - 350+440 continuous Ringing tone - 440+480 2.0 on 4.0 off Special information tone - 950/1400/1800 3x0.33 on 1.0 off Call waiting tone - 440 1x(0.5 on 10.0 off 0.5 on) Egypt (Arab Republic of) Busy tone - 425x50 1.0 on 4.0 off Congestion tone - 450 0.5 on 0.5 off Intrusion tone - 450 0.5 on 0.5 off Payphone recognition tone - 1100+1750/750+1450 0.2 on 0.2 off 0.2 on 2.0 off Ringing tone - 425x50 2.0 on 1.0 off Special information tone - 950/1400/1800 0.33 on 0.33 off 0.33 on 0.33 off 0.33 on 0.33 off El Salvador (Republic of) Busy tone - 425 0.32 on 0.32 off Congestion tone - 425 0.32 on 0.32 off Dial tone - 425 continuous Special dial tone - 425 0.40 on 0.04 off Intrusion tone - 425 0.20 on 0.20 off 0.50 on 0.20 off Line lock-out tone - 425 0.167 on 0.167 off 0.500 on 0.167 off Ringing tone - 425 1.2 on 4.6 off Special information tone - 950/1400/1800 3x0.33 on 1.00 off Warning tone - 1400 0.20 on 0.60 off Call waiting tone - 425 0.35 on 15.0 off United Arab Emirates Busy tone - 400//425 0.375 on 0.375 off Congestion tone - 400//425 0.4 on 0.35 off 0.225 on 0.525 off Dial tone - 350+440 continuous Number unobtainable tone - 400//425 continuous Ringing tone - 400+450//425 0.4 on 0.2 off 0.4 on 2.0 off Ecuador Busy tone - 425 0.33 on 0.33 off Congestion tone - 425 0.33 on 0.33 off Dial tone - 425 continuous Ringing tone - 425 1.2 on 4.65 off Call waiting tone - 425 0.2 on 0.6 off Spain Busy tone - 425 0.2 on 0.2 off Congestion tone - 425 2x(0.2 on 0.2 off) 0.2 on 0.6 off Dial tone - 425 continuous Second dial tone - 600 continuous Special dial tone - 425 1.0 on 0.1 off Number unobtainable tone - 425 0.2 on 0.2 off 0.2 on 0.6 off Payphone recognition tone - I 1600 0.05 on 0.05 off 0.05 on 1.55 off Payphone recognition tone - II 1600 0.05 on 0.05 off 0.05 on 0.05 off 0.05 on 1.5 off Ringing tone - 425 1.5 on 3.0 off Special information tone - 950/1400/1800 3x0.333 on 1.0 off Warning tone - operator intervening 1400 0.4 on 5.0 off Call waiting tone - 425 0.175 on 0.175 off 0.175 on 3.5 off Estonia (Republic of) Busy tone - 425 0.3 on 0.3 off Congestion tone - 425 0.2 on 0.2 off Dial tone - 425 continuous Intrusion tone - 425 0.2 on 0.3 off 0.2 on 1.3 off Pay tone - 16000 0.15 on 0.35 off Ringing tone - 425 1.0 on 4.0 off Special information tone - 950/1400/1800 3x0.33 on 1.0 off Call waiting tone - 950/1400/1800 3x0.33 on 0.3 off United States of America Busy tone - 600x120//600x133//600x 0.5 on 0.5 off 140//600x160//480+620 Confirmation tone - 350+440 3x(0.1 on 0.1 off) Dial tone - 600x120//600x133//600x continuous 140//600x160//350+440 Recall dial tone - 350+440 3x(0.1 on 0.1 off) + continuous Intrusion tone - 600x120//600x133//600x 0.5 on 0.5 off 140//600x160//480+620 Number unobtainable tone - 200//400 0.5 on 6.0 off Permanent signal tone - 480//400//500 continuous Record tone - 440 0.5 on 5.0 off Ringing tone - 420x40//500x40//440+48 2.0 on 4.0 off 0 Re-order tone - 600x120//600x133//600x 0.3 on 0.2 off 140//600x160//480+620 Warning tone - recorder (4) 1400 0.5 on Call waiting tone - 440 2x(0.3 on 10.0 off) Ethiopia (Federal Democratic Republic of) Acceptance tone - 425 continuous Busy tone - 425 0.4 on 0.4 off Congestion tone - 425 0.4 on 0.4 off Dial tone - 425 continuous Special dial tone - 425 0.4 on 0.04 off Intrusion tone - 425 0.5 on 0.2 off Line lock-out tone - 425 0.4 on 0.4 off Refusal tone - 425 0.4 on 0.4 off Ringing tone - 425 1.0 on 4.0 off Special information tone - 950/1400/1800 3x0.33 on 1.0 off Warning tone - 1400 0.5 on 11.5 off Call waiting tone - 425 0.2 on 0.6 off Falkland Islands (Malvinas) Busy tone - 400 0.375 on 0.375 off Congestion tone - 400 0.4 on 0.35 off 0.255 on 0.525 off Dial tone - 350+450 continuous Number unobtainable tone - 400 continuous Ringing tone - 400+450 0.4 on 0.2 off Special information tone - 950/1400/1800 3x0.33 on 1.0 off Warning tone - operator intervening 1000 0.1 on 0.1 off Faroe Islands (Denmark) Busy tone - 425 0.25 on 0.25 off Congestion tone - 425 0.25 on 0.25 off Dial tone - 425 continuous Number unobtainable tone - 950/1400/1800 3x0.33 on 1.0 off Ringing tone - 425 1.0 on 4.0 off Fiji (Republic of) Acceptance tone - 425 continuous Busy tone - 425 0.75 on 0.75 off Congestion tone - 425 037 on 0.37 off 0.37 on 0.37 off Dial tone - 400+450 continuous Second dial tone - 425 continuous Special dial tone - 400+450 0.40 on 0.04 off Line lock-out tone - 425 0.2 on 0.6 off 0.2 on 4.0 off Number unobtainable tone - 400 2.5 on 0.5 off Offering tone, trunk - 425 0.17 on 0.17 off 0.50 on 0.17 off Refusal tone - 425 0.24 on 0.76 off Ringing tone - 425x25 0.4 on 0.2 off 0.4 on 2.0 off Special ringing tone - 425x25 1.0 on 5.0 off 1.0 on 5.0 off Special information tone - 925/1400/1800 3x0.38 on 1.00 off Warning tone - 1400 0.5 on 12.0 off Finland Busy tone - 425 0.3 on 0.3 off Congestion tone - 425 0.2 on 0.2 off Dial tone - 425 continuous Dial tone - pabx 425 2x(0.2 on 0.3 off) 0.2 on 0.8 off Special dial tone - 425 0.65 on 0.025 off Queue tone - 950/950/1400 0.65 on 0.325 off 0.325 on 1.3 on 2.6 off Ringing tone - 425 1.0 on 4.0 off Special information tone - 950/1400/1800 3x0.333 on 1.0 off Warning tone - operator intervening 425 0.2 on 0.3 off 0.2 on 1.3 off Call waiting tone - 425 0.15 on 8.0 off France Busy tone - 440 0.5 on 0.5 off Dial tone - 440//330+440 continuous Ringing tone - 440 1.5 on 3.5 off Special information tone - 950/1400/1800 3x0.3 on 1.0 off Call waiting tone - 440 2x(0.3 on 8.0 off 0.4 on 8.0 off 0.3 on 8.0 off) Gabonese Republic Busy tone - 440 0.5 on 0.5 off Congestion tone - 440 0.5 on 0.5 off Dial tone - 440 continuous Second dial tone - 330 + 440 continuous Special dial tone - 440 0.4 on 0.04 off Holding tone - 440 0.5 on 2.5 off Ringing tone - 440 1.7 on 3.3 off Special information tone - 950/1400 0.30 on 0.33 on Call waiting tone - 440 continuous Gambia (Republic of the) Busy tone - 425 0.5 on 0.5 off Congestion tone - 425 0.5 on 0.5 off Dial tone - 425 continuous Ringing tone - 425 1.0 on 4.0 off Special information tone - 1400 0.330 on 0.030 off Call waiting tone - 950 0.330 on 0.030 off Ghana Busy tone - 400 0.25 on 0.25 off Congestion tone - 400 0.5 on 0.5 off Dial tone - 400 continuous Holding tone - 400 0.5 on 0.5 off 0.5 on 0.25 off Number unobtainable tone - 400 0.075 on 0.1 off 0.075 on 0.1 off 0.075 on 0.4 off Ringing tone - 400 1.0 on 4.0 off Waiting tone - 400 0.5 on 0.3 on 0.2 off 0.3 on 0.2 off 3.0 off Gibraltar Busy tone - 400 0.375 on 0.375 off Congestion tone - 400 0.4 on 0.35 off 0.225 on 0.525 off Dial tone - 350+400 continuous Number unobtainable tone - 400 continuous Ringing tone - 400+450 0.4 on 0.2 off 0.4 on 2.0 off Waiting tone - 400 0.1 on 3.0 off Greece Busy tone - 425 0.3 on 0.3 off Congestion tone - 425 0.15 on 0.15 off Dial tone - 425 0.2 on 0.3 off 0.7 on 0.8 off Special dial tone - 400/425//425/450 0.2 on 0.3 off 0.7 on 0.8 off Holding tone - 900 0.5 on 0.5 off Intrusion tone - 425 0.15 on 0.25 off 0.15 on 1.45 off Number unobtainable tone - 450 continuous Ringing tone - 425 1.0 on 4.0 off Special information tone - 850/1450/1800 3x0.33 on 1.0 off Valid tone (radio-paging) - 450 0.1 on 0.1 off 0.1 on 0.7 off Call waiting tone - 425 0.3 on 10.0 off 0.3 on 10.0 off Grenada Busy tone - 460+620 0.5 on 0.5 off Congestion tone - announcement Ringing tone - 440+480 2.0 on 4.0 off Greenland (Denmark) Busy tone - 445//425 0.25 on 0.25 off Congestion tone - 445//425 0.25 on 0.25 off Dial tone - 445//425 continuous Second dial tone - 445//425 continuous Number unobtainable tone - I 950/1400/1800 3x0.33 on 1.0 off Number unobtainable tone - II 425 0.25 on 0.25 off Pay tone - 950/1400/1800 3x0.22 on 1.0 off Ringing tone - 445//425 1.0 on 4.0 off Guadeloupe (French Department of) Busy tone - 440 0.5 on 0.5 off Dial tone - 440//330+440 continuous Ringing tone - 440 1.5 on 3.5 off COUNTRY/TONE FREQUENCY in Hz CADENCE in seconds Special information tone - 950/1400/1800 3x0.3 on 1.0 off Call waiting tone - 440 2x(0.3 on 8.0 off 0.4 on 8.0 off 0.3 on 8.0 off) Guinea (Republic of) Busy tone - 450 0.2 on 0.2 off Ringing tone - 450 0.4 on 0.2 off Guyana Busy tone - 425 0.5 on 0.5 off Congestion tone - 425 0.5 on 0.5 off Dial tone - 360/400 1.3 on 0.3 off 0.2 on 0.5 off Ringing tone - 425 1.75 on 3.25 off Waiting tone - 480 0.5 on 18.0 off Guiana (French Department of) Busy tone - 440 0.5 on 0.5 off Dial tone - 440//330+440 continuous Ringing tone - 440 1.5 on 3.5 off Special information tone - 950/1400/1800 3x0.3 on 1.0 off Call waiting tone - 440 2x(0.3 on 8.0 off 0.4 on 8.0 off 0.3 on 8.0 off) Honduras (Republic of) Busy tone - 440 0.5 on 0.5 off Congestion tone - 440 0.25 on 0.25 off Dial tone - 440 continuous Ringing tone - 440 1.0 on 4.0 off Call waiting tone - 440 0.5 on 0.5 off 2.0 on 4.0 off Hongkong Busy tone - 480+620 0.5 on 0.5 off Congestion tone - 480+620 0.25 on 0.25 off Dial tone - 350+440 continuous Special dial tone - 350+440 3x(0.1 on 0.1 off) + continuous Number unobtainable tone - 480+620 continuous Ringing tone - 440+480 0.4 on 0.2 off 0.4 on 3.0 off Call waiting tone - 440 3x(0.5 on 0.5 off) Hungary (Republic of) Busy tone - 425 0.3 on 0.3 off Congestion tone - 425 0.3 on 0.3 off Dial tone - 425 continuous Second dial tone - 425+450 continuous Special dial tone - 350+375+400 continuous Negative indication tone - 300+425 0.2 on 0.2 off 0.2 on 0.2 off 0.2 on 0.2 off + announcement Offering tone, trunk - 425 0.3 on 0.3 off 0.3 on 1.5 off Pay tone - 600//1100 (3 or 5)(0.15 on 0.15 off) Positive indication tone - 300+425 1.0 on 0.2 off + announcement Payphone recognition tone - 1100+1750//750+1450 0.2 on 0.2 off 0.2 on 2.0 off Ringing tone - 425 1.25 on 3.75 off Special information tone - 950/1400/1800 3x0.33 on 1.0 off Warning tone - 425 0.3 on 0.3 off 0.3 on 1.5 off Call waiting tone - 425 0.04 on 1.96 off Channel islands: Guernsey Busy tone - 400 0.375 on 0.375 off Congestion tone - 400 0.40 on 0.35 off 0.25 on 0.52 off Dial tone - 350+450 continuous Special dial tone - 350+450 0.75 on 0.75 off Pay tone - 400 0.125 on 0.125 off Ringing tone - 400+450 0.4 on 0.2 off Special information tone - 950/1400/1800 3x0.33 on 1.0 off Call waiting tone - 400 8x(0.1 on 4.9 off) Channel islands: Jersey Busy tone - 400 0.375 on 0.375 off Congestion tone - 400 0.4 on 0.35 off 0.225 on 0.525 off Dial tone - 350+450 continuous Number unobtainable tone - 400 continuous Pay tone - 400 0.125 on 0.125 off Ringing tone - 400+450 0.4 on 0.2 off 0.4 on 2.0 off Waiting tone - 400 0.1 on 2.5 off 0.1 on India (Republic of) Acceptance tone - 400 1.0 on 4.0 off Busy tone - 400 0.75 on 0.75 off Congestion tone - 400 0.25 on 0.25 off Dial tone - 400x25 continuous Special dial tone - 400+300 continuous Holding tone - 400 0.25 on 0.25 off 0.25 on 3.25 off Intrusion tone - 400 0.15 on 4.85 off Number unobtainable tone - 400 2.8 on 0.2 off Refusal tone - 400 0.25 on 0.25 off Ringing tone - I 400x25 0.4 on 0.2 off 0.4 on 2..0 off Ringing tone - II 400x25 1.0 on 2.0 off Route tone - 400 0.1 on 0.9 off Call waiting tone - 400 0.2 on 0.1 off 0.2 on 7.5 off Indonesia (Republic of) Busy tone - 425 0.5 on 0.5 off Congestion tone - 425 0.25 on 0.25 off Dial tone - 425 continuous Special dial tone - 425 4x(0.125 on 0.125 off) + continuous Howler tone - 1400 10.0 on Number unobtainable tone - 425 2.0 on 0.5 off Offering tone, trunk - 425 0.5 on 0.5 off 0.5 on 1.0 off Payphone recognition tone - 1000 5.0 on 5.0 off Ringing tone - 425 1.0 on 4.0 off Special information tone - 950/1400/1800 3x(0.33 on 0.03 off) Call waiting tone - 425 0.15 on 0.15 off 0.15 on 10.0 off Caller waiting tone - 425 1.0 on 4.0 off Iran (Islamic Republic of) Busy tone - 425 0.5 on 0.5 off Congestion tone - 425 0.25 on 0.25 off Dial tone - 425 continuous Second dial tone - 400/425 continuous Recall dial tone - 425 continuous Holding tone - 950/950/1400 0.65 on 0.325 off 0.325 on 1.3 on 2.6 off Offering tone, trunk - 425 0.15 on 0.25 off 0.15 on 1.45 off Preemption tone - 1400 3x(0.1 on 0.1 off) Permanent signal tone - 1400 continuous Ringing tone - 425 1.0 on 4.0 off Special information tone - 950/1400/1800 3x0.33 on 1.0 off Waiting tone - 425 0.2 on 0.2 off 0.2 on 10.0 off Iraq (Republic of) Busy tone - 400 1.0 on 1.0 off Recall dial tone - 133 0.4 on 0.2 off 0.4 on 1.5 off Ringing tone - 400 continuous Ireland Busy tone - 425 0.5 on 0.5 off Dial tone - 400//425//450 continuous Pay tone - 12000 0.12 on Ringing tone - 400+450//425 0.4 on 0.2 off 0.4 on 2.0 off Route tone - 425 0.06 on 0.06 off Special information tone - 950/1400/1800 3x0.33 on 1.0 off Call waiting tone - 425 0.18 on 0.20 off 0.20 on 4.50 off Iceland Busy tone - 425 0.25 on 0.25 off Congestion tone - 425 0.25 on 0.25 off Dial tone - 425 continuous Special dial tone - (7) 425 0.4 on 0.04 off Number unobtainable tone - announcement Payphone recognition tone - 1633/1209 0.2 on 0.2 off 0.2 on 2.0 off Ringing tone - 425 1.0 on 4.0 off Warning tone - 425 0.4 on 15.0 off Waiting tone - 425 4x(0.2 on 0.2 off 0.2 on 3.6 off 0.2 on 0.2 off 0.2 on) Israel (State of) Busy tone - 400 0.5 on 0.5 off Confirmation tone - I 400 1x(0.15 on 0.15 off 0.3 on) Confirmation tone - II 400 0.04 on 0.04 off Dial tone - 400 continuous Second dial tone - 400 3x(0.1 on 0.1 off) + continuous Recall dial tone - 400 3x(0.1 on 0.1 off) + continuous Special dial tone - 400 1.0 on 0.25 off Holding tone - 400 0.05 on 2.0 off Number unobtainable tone - 1000/1400/1800 3x0.333 on 1.0 off +announcement Payphone recognition tone - 1209/852 5x(0.2 on 0.2 off 0.2 on 2.0 off) Ringing tone - 400 1.0 on 3.0 off Search tone - 1004 0.01 on 1.0 off Special information tone - 1000/1400/1800 3x0.333 on 1.0 off + announcement Waiting tone - message 400 10x(0.16 on 0.16 off) + continuous Call waiting tone - 400 1x(0.15 on 10.0 off 0.15 on) Caller waiting tone - 400 2x(0.1 on 0.1 off) 0.6 on 3.0 off Italy Busy tone - 425 0.5 on 0.5 off Congestion tone - 425 0.2 on 0.2 off Dial tone - 425 0.2 on 0.2 off 0.6 on 1.0 off Special dial tone - 425 continuous Ringing tone - 425 1.0 on 4.0 off Special information tone - announcement Call waiting tone - (4) 425 0.40 on 0.10 off 0.25 on 0.10 off 0.15 on Jamaica Busy tone - 480+620 0.5 on 0.5 off Congestion tone - 480+620 0.25 on 0.25 off Dial tone - 350+440 continuous Ringing tone - 440+480 2.0 on 4.0 off Call waiting tone - 440 0.25 on 0.25 off Japan Busy tone - (3) 400 0.5 on 0.5 off Dial tone - I 400 continuous Dial tone - II, pabx 400 0.25 on 0.25 off Dial tone - III 400 0.125 on 0.125 off 0.125 on 0.125 off 0.125 on 0.125 off 0.125 on 0.125 off 0.75 on 0.25 off Second dial tone - (3) 440 0.125 on 0.125 off Pay tone - 250 0.5 on Positive indication tone - I 400 0.125 on 0.125 off 0.125 on 0.625 off Positive indication tone - II 400 0.125 on 0.125 off 0.625 on 0.125 off Ringing tone - I 400x16 1.0 on 2.0 off Ringing tone - II, pabx 400x20 1.0 on 2.0 off Call waiting tone - I 400x16/400 0.5 on 0.0~4.0 off 0.05 on 0.45 off 0.05 on 3.45 off 0.05 on 0.45 off 0.05 on 3.45 off Call waiting tone - II 400x16/400 0.1 on 0.1 off 0.1 on 3.0 off Call waiting tone - III 400x16/400 0.064 on 0.436 off 0.064 on 3.436 off Call waiting tone - IV 400x16/400 0.25 on 0.25 off 0.25 on 3.25 off Jordan (Hashemite Kingdom of) Busy tone - I 400 0.75 on 0.75 off Busy tone - II 420x40//440+400 0.5 on 0.5 off Confirmation tone - 400 20x(0.125 on 0.125 off) + continuous Congestion tone - I 420x40 0.5 on 0.5 off Congestion tone - II 400+440 0.25 on 0.25 off Dial tone - 420x40//400+440 continuous Holding tone - 420x40//400+440 0.5 on 0.5 off 0.5 on 0.25 off Number unobtainable tone - 600x120//540+660 2.5 on 0.5 off Ringing tone - I 420x40//440+400 1.2 on 4.8 off Ringing tone - II 400+16 2/3 0.4 on 0.2 off 0.4 on 2.0 off Waiting tone - 420x40//400+440 0.5 on 2x(0.3 off 0.2 on) 3.0 off Kenya (Republic of) Busy tone - 425 0.2 on 0.6 off 0.2 on 0.6 off Congestion tone - 425 0.2 on 0.6 off Dial tone - 425 continuous Pay tone - I 941 0.2 on 0.2 off Pay tone - II 800/1600 0.08 on 0.08 off Payphone recognition tone - 1633 0.08 on 1.5 off Ringing tone - 425 0.67 on 3.0 off 1.5 on 5.0 off Special information tone - 900/1400/1800 3x0.75 on 1.25 off Warning tone - operator intervening 425 0.2 on 0.2 off Call waiting tone - 425 continuous Kiribati (Republic of) Busy tone - 425 0.375 on 0.375 off Congestion tone - 425 0.375 on 0.375 off Dial tone - 425 continuous Number unobtainable tone - 425 2.5 on 0.5 off Ringing tone - 425 0.4 on 0.2 off 0.4 on 2.0 off Call waiting tone - 425 0.1 on 0.2 off 0.1 on 4.7 off Kuwait (State of) Acceptance tone - 425 continuous Busy tone - 425 0.5 on 0.5 off Congestion tone - 425 0.25 on 0.25 off Dial tone - 425 continuous Second dial tone - 425 continuous Special dial tone - 425 0.40 on 0.04 off Line lock-out tone - 425 0.32 on 0.32 off Refusal tone - 425 0.1 on 0.4 off Ringing tone - 425 1.0 on 4.0 off Route tone - 425 0.1 on 0.1 off Special information tone - 950/1400/1800 3x0.33 on 1.00 off Warning tone - 425 0.34 on 5.0 off Call waiting tone - 425 1.0 on 4.0 off Lao People's Democratic Republic Busy tone - 425 1.0 on 1.0 off Confirmation tone - 950 continuous Congestion tone - 425 0.375 on 0.375 off Dial tone - 425 continuous Special dial tone - 425 0.4 on 0.04 off Number unobtainable tone - 425 2.5 on 0.5 off Ringing tone - 425 1.0 on 4.0 off Waiting tone - 425 0.4 on 0.4 off Latvia (Republic of) Busy tone - 425 0.3 on 0.3 off Congestion tone - 425 0.15 on 0.15 off Dial tone - 425 continuous Ringing tone - 425 1.0 on 4.0 off Special information tone - 950/1400/1800 3x0.33 on 1.0 off Call waiting tone - 425 0.2 on 5.0 off Lebanon Busy tone - 435 0.4 on 0.2 off Ringing tone - 435 1.2 on 4.4 off Liberia (Republic of) Busy tone - 425 0.5 on 0.5 off Dial tone - 425 continuous Number unobtainable tone - 425 0.6 on 0.2 off 3x(0.2 on 0.2 off) Ringing tone - 425//450 1.0 on 4.0 off Lithuania (Republic of) Busy tone - 425 0.4 on 0.4 off Dial tone - 425 continuous Ringing tone - 425 0.8 on 3.2 off Waiting tone - 950/1400/1800 3x0.333 on 1.0 off Luxembourg Busy tone - 425//2125 0.48 on 0.48 off Congestion tone - 425//2125 0.24 on 0.24 off Dial tone - 425//2125 continuous Special dial tone - 400//425 continuous Ringing tone - 425//2125 1.0 on 4.0 off Special information tone - 950/1400/1800 3x0.33 on 1.0 off Test number tone - 1000 continuous Call waiting tone - 425 continuous Macau Busy tone - 425 0.5 on 0.5 off Congestion tone - 425 0.25 on 0.25 off Dial tone - 425 continuous Special dial tone - 425 1.8 on 0.2 off Payphone recognition tone - 1100+1750/750+1450 0.2 on 0.2 off 0.2 on 0.2 off Ringing tone - 425 1.0 on 4.0 off Special information tone - 950/1400/1800 3x0.333 on 1.0 off Call waiting tone - 425 0.2 on 0.6 off Madagascar (Republic of) Busy tone - 440//425 0.5 on 0.5 off Congestion tone - announcement Dial tone - 440//425 continuous Special dial tone - 330+440 continuous Facilities tone - 950 continuous Pay tone - announcement Ringing tone - 440//425 1.7 on 3.3 off Route tone - 440//425 0.05 on 0.05 off Special information tone - 440 0.40 on 0.04 off Call waiting tone - 440 0.1 on 1.9 off Malaysia Busy tone - 425 0.5 on 0.5 off Congestion tone - I 425 0.50 on 0.25 off Congestion tone - II 425 0.5 on 0.5 off Dial tone - 425 continuous Ringing tone - I 425 0.4 on 0.2 off 0.4 on 2.0 off Ringing tone - II 425 1.0 on 3.0 off 1.0 on 5.0 off Malawi Busy tone - 425 0.5 on 0.5 off Dial tone - 425 continuous Intrusion tone - (4) 1400 0.35 on 0.5 off Payphone recognition tone - 1100+1750/750+1450 2x(0.2 on 0.2 off) Ringing tone - 425 1.0 on 4.0 off Special ringing tone - 425 1.0 on 4.0 off Special information tone - 950/1400/1800 3x0.3 on 1.0 off Maldives (Republic of) Busy tone - 400 0.5 on 0.5 off Congestion tone - 400 0.25 on 0.25 off Dial tone -I 400/50 continuous Dial tone -II 400/50 1.0 on 1.0 off + continuous Number unobtainable tone - 400 continuous Ringing tone - 400 0.4 on 0.2 off 0.4 on 2.0 off Call waiting tone - 400 1.0 on 10.0 off Mali (Republic of) Busy tone - 425 0.5 on 0.5 off Congestion tone - announcement Dial tone - 425 continuous Pay tone - announcement Ringing tone - 425 1.5 on 3.0 off Route tone - 425 0.05 on 0.05 off Special information tone - 900/1400/1800 0.35 on 0.30 on 0.35 on 1.0 off Call waiting tone - 425 0.3 on 10.0 off Malta Busy tone - 425 0.5 on 0.5 off Congestion tone - 425 0.5 on 0.5 off Dial tone - 425 0.2 on 0.2 off 0.6 on 1.0 off Special dial tone - 425 0.4 on 0.04 off Intercept tone - 950/1400/1800 3x0.24 on 1.0 off Ringing tone - 425 1.0 on 4.0 off Special information tone - announcement Call waiting tone - 1400 0.34 on 1.5 off Morocco (Kingdom of) Busy tone - 425 0.5 on 0.5 off Dial tone - 425 continuous Second dial tone - 660/440/590/740 0.5 on 0.5 off 0.5 on 0.3 on 0.2 on Ringing tone - 425 1.66 on 3.33 off Route tone - 425 0.05 on 0.05 off Martinique (French Department of) Busy tone - 440 0.5 on 0.5 off Dial tone - 440//330+440 continuous Ringing tone - 440 1.5 on 3.5 off Special information tone - 950/1400/1800 3x0.3 on 1.0 off Call waiting tone - 440 2x(0.3 on 8.0 off 0.4 on 8.0 off 0.3 on 8.0 off) Mauritius (Republic of) Busy tone - 425 0.75 on 0.75 off Dial tone - 425 continuous Special dial tone - 425 0.4 on 0.04 off Ringing tone - 425 1.0 on 4.0 off Route tone - 425 0.05 on 0.05 off Call waiting tone - 425 1.0 on 3.0 off Mauritania (Islamic Republic of) Busy tone - 425 0.5 on 0.5 off Dial tone - 425 continuous Ringing tone - 425 1.5 on 3.5 off Route tone - 425 0.05 on 0.05 off Mayotte (Collectivité territoriale de la République française) Busy tone - 440 0.5 on 0.5 off Dial tone - 440//330+440 continuous Ringing tone - 440 1.5 on 3.5 off Special information tone - 950/1400/1800 3x0.3 on 1.0 off Call waiting tone - 440 2x(0.3 on 8.0 off 0.4 on 8.0 off 0.3 on 8.0 off) Mexico Busy tone - 425 0.25 on 0.25 off Congestion tone - 425 0.25 on 0.25 off Dial tone - 425 continuous Ringing tone - 425 1.0 on 4.0 off Warning tone - operator intervening 425 0.5 on 0.17 off 0.17 on 0.17 off Moldova (Republic of) Busy tone - 425 0.35 on 0.35 off Congestion tone - 425 0.2 on 0.2 off Dial tone - 425 continuous Pay tone - 1400 3x1.0 on 1.0 off Ringing tone - I 425 0.8 on 3.2 off Ringing tone - II 425 1.0 on 4.0 off Special information tone - 950/1400/1800 3x0.33 on 1.00 off Call waiting tone - 425 0.2 on 5.0 off Montserrat Busy tone - 480+620 0.5 on 0.5 off Congestion tone - 480+620 0.25 on 0.25 off Dial tone - 350+440 continuous Recall dial tone - 350+440 3x(0.1 on 0.1 off) + continuous Number unobtainable tone - 480+620 0.25 on 0.25 off Payphone recognition tone - 1600/1143 0.2 on 0.2 off 0.2 on 2.0 off Ringing tone - 440+480 2.0 on 4.0 off Special information tone - 950/1400/1800 3x0.33 on 1.0 off Warning tone - operator intervening 450 0.2 on 0.2 off 0.65 on 0.2 off Waiting tone - 440 1x(0.5 on 10.0 off 0.5 on) Mozambique (Republic of) Busy tone - 400 0.5 on O.5 off Number unobtainable tone - 400 0.2 on 0.2 off Ringing tone - 400 1.0 on 5.0 off Namibia (Republic of) Busy tone - 400 0.5 on 0.5 off Congestion tone - 400 0.25 on 0.25 off Dial tone - 400x33 continuous Ringing tone - 400x33 0.4 on 0.2 off 0.4 on 2.0 off Special information tone - 950/1400/1800 3x0.33 on 1.0 off Call waiting tone - 400x33 continuous Nauru (Republic of) Busy tone - 400 0.5 on 0.5 off Busy tone - pabx 425 0.375 on 0.375 off Congestion tone - pabx 425 0.375 on 0.375 off Dial tone - 400 continuous Dial tone - pabx 33 continuous Recall dial tone - pabx 33 continuous Number unobtainable tone - 400 0.75 on 0.25 off 0.25 on 0.25 off Ringing tone - 400 1.0 on 4.0 off Ringing tone - pabx 425x25 0.4 on 0.2 off 0.4 on 2.0 off Nepal Busy tone - 425 0.25 on 0.25 off Congestion tone - 425 0.175 on 0.175 off Dial tone - 425 continuous Number unobtainable tone - 425 0.25 on 0.5 off Ringing tone - 425 1.1 on 3.1 off Niger (Republic of the) Busy tone - 440 0.5 on 0.5 off Congestion tone - 440 0.5 on 0.5 off Dial tone - 440 continuous Second dial tone - 330//440 continuous Ringing tone - 440 1.7 on 3.3 off Route tone - 440 0.05 on 0.05 off Nigeria (Federal Republic of) Busy tone - 400 0.5 on 0.5 off Congestion tone - 400 0.25 on 0.25 off Dial tone - 400//450 continuous Recall dial tone - 400//425 continuous Special dial tone - 425 0.5 on 0.5 off Holding tone - 950/950/1400 0.65 on 0.325 off 0.325 on 1.3 on 2.6 off Number unobtainable tone - 450 0.5 on 0.5 off Ringing tone - 400//450 2.0 on 4.0 off Special information tone - 400//33 0.2 on 1.5 off Warning tone - operator intervening 400 0.15 on 0.25 off 0.15 on 1.45 off Call waiting tone - 400 0.2 on 0.2 off Norway Busy tone - 425 0.5 on 0.5 off Confirmation tone - 425 0.4 on Congestion tone - 425 0.2 on 0.2 off Dial tone - 425 continuous Special dial tone - 470 0.4 on Intrusion tone - 1400 1x(2.0 on) Pay tone - I 1477+941 0.2 on 2.0 off 0.2 on 2.0 off Pay tone - II 1633+1336 0.2 on 0.2 off 0.2 on 4.0 off Payphone recognition tone - 1477/941 4x(0.2 on 0.2 off 0.2 on 2.0 off) Ringing tone - I 425 1.0 on 4.0 off Ringing tone - II 425 1x(1.0 on 0~4.0 off) Special information tone - 950/1400/1800 3x0.33 on 1.0 off Warning tone - I 1400 0.4 on 15.0 off Warning tone - II 1400 1x(0.4 on 0~15.0 off) Call waiting tone - 425 0.2 on 0.6 off 0.2 on 1.0 off New Caledonia (Territoire français d'outre-mer) Busy tone - 440 0.5 on 0.5 off Congestion tone - 440 1.7 on 3.3 off + announcement Dial tone - 440//330+440 continuous Ringing tone - 440 1.7 on 3.3 off Special information tone - 440 1.7 on 3.3 off + announcement Call waiting tone - 440 4x(0.5 on 0.5 off 0.5 on) New Zealand Busy tone - 400 0.5 on 0.5 off Congestion tone - I 900 0.5 on 0.5 off Congestion tone - II 400 0.25 on 0.25 off Dial tone - (3) 400 continuous Function acknowledge tone - 440+450 2.0 on 0.4 off 0.2 on 0.4 off Holding tone - 400/400+450 0.5 on 0.5 off 0.5 on 0.25 off Number unobtainable tone - 400 3x(0.75 on 0.1 off) 0.75 on 0.4 off Payphone recognition tone - 1100+1750/750+1450 0.2 on 0.2 off 0.2 on 2.0 off Ringing tone - 400+450 0.4 on 0.2 off 0.4 on 2.0 off Waiting tone - I 400+450 0.5 on Waiting tone - II 400 0.25 on 0.25 off 0.25 on 3.25 off Waiting tone - III 523/659 3x(0.2 on 3.0 off) 0.2 on Oman (Sultanate of) Busy tone - 425 0.5 on 0.5 off Congestion tone - 425 0.5 on 0.5 off Dial tone - 425 continuous Intrusion tone - 425 0.5 on 0.17 off 0.17 on 0.17 off Ringing tone - 425 0.4 on 0.2 off 0.4 on 2.0 off Special information tone - 950/1400/1800 3x0.33 on 1.0 off Call waiting tone - 425 0.3 on 1.0 off Uganda (Republic of) Busy tone - 425 0.5 on 5.0 off Congestion tone - 425 0.25 on 0.25 off Dial tone - 425 continuous Special dial tone - 350/440 continuous Howler tone - 1400 continuous Number unobtainable tone - 950/1400/1800 3x0.33 on 1.00 off Offering tone, trunk - 425 0.1 on 4.9 off Ringing tone - 425 1.0 on 4.0 off Route tone - 425 0.05 on 0.05 off Call waiting tone - 425 continuous Pakistan (Islamic Republic of) Busy tone - I 400 0.75 on 0.75 off Busy tone - II 450 0.4 on 0.675 off 0.13 on 0.17 off Ringing tone - I 450 1.0 on 4.0 off Ringing tone - II 400+16 2/3 0.4 on 0.2 off 0.4 on 2.0 off Panama (Republic of) Busy tone - 425 0.32 on 0.32 off Congestion tone - 425 0.32 on 0.32 off Dial tone - 425 continuous Number unobtainable tone - 425 0.18 on 0.18 off 0.5 on 0.18 off Ringing tone - 425 1.2 on 4.65 off Special information tone - 425 0.4 on 0.4 off Warning tone - operator intervening 425 0.18 on 0.18 off 0.5 on 0.18 off Call waiting tone - 425 0.18 on 0.18 off 0.18 on Papua New Guinea Busy tone - 425//400 0.375 on 0.375 off Congestion tone - 425//400 0.375 on 0.375 off Dial tone - 425//400x25//350+440 continuous Special dial tone - 425 0.4 on 0.04 off Number unobtainable tone - 425//400 2.5 on 0.5 off Payphone recognition tone - I 1209/852 4x(0.2 on 0.2 off 0.2 on 2.0 off) Payphone recognition tone - II 1336/941 2x(0.2 on 0.2 off 0.2 on 2.0 off) Payphone recognition tone - III 900 2x(0.075 on 0.15 off 0.075 on 2.7 off) Ringing tone - 425//400x25//400x16 0.4 on 0.2 off 0.4 on 2.0 off 2/3//400+450//410x20 Special information tone - 950/1400/1800 3x0.33 on 1.01 off Warning tone - operator intervening 1400 0.5 on 11.5 off Waiting tone - 425 0.04 on 10.0 off 0.04 on 20.0 off 0.04 on 20.0 off Paraguay (Republic of) Busy tone - 425 1.0 on 1.0 off Number unobtainable tone - 425 2.0 on 0.5 off Positive indication tone - 950/1400/1800 3x0.333 on 1.0 off Ringing tone - 425 1.0 on 4.0 off Warning tone - operator intervening 425 0.15 on 0.25 off 0.15 on 1.45 off Waiting tone - 950/950/1400 0.65 on 0.325 off 0.125 on 1.3 off 2.6 on Netherlands (Kingdom of the) Busy tone - 425 0.5 on 0.5 off Congestion tone - 425 0.25 on 0.25 off Dial tone - 425 continuous Special dial tone - 425 0.5 on 0.05 off Ringing tone - 425 1.0 on 4.0 off Special information tone - 950/1400/1800 3x0.333 on 1.0 off Waiting tone - 425 0.5 on 9.5 off Peru Acceptance tone - announcement Busy tone - 425 0.5 on 0.5 off Congestion tone - 425 0.2 on 0.2 off 0.2 on 0.2 off 0.2 on 0.6 off Dial tone - 425 continuous Special dial tone - 425 1.0 on 0.1 off Howler tone - 1500+3200 0.5 on Number unobtainable tone - announcement Refusal tone - announcement Ringing tone - 425 0.15 on 0.30 off Special information tone - 950/1400/1800 3x0.33 on 1.0 off Call waiting tone - 425 0.175 on 0.175 off 0.175 on 3.5 off Philippines (Republic of the) Busy tone - 480+620 0.5 on 0.5 off Congestion tone - 480+620 0.25 on 0.25 off Conference tone - 440 0.2 on 15.0 off Dial tone - 425 continuous Special dial tone - 400+25 continuous Holding tone - 950/950/1400 0.65 on 0.325 off 0.325 on 1.3 on 2.0 off Howler tone - 1400+1800 0.2 on 0.3 off Number unobtainable tone - 600x120 0.25 on 0.25 off Ringing tone - 425+480 1.0 on 4.0 off Call waiting tone - 440 0.3 on 10.0 off Poland (Republic of) Busy tone - 425 0.5 on 0.5 off Congestion tone - 425 0.5 on 0.5 off Dial tone - 425 continuous Second dial tone - 425+350 continuous Ringing tone - 425 1.0 on 4.0 off Route tone - 425 0.05 on 0.05 off Special information tone - 950/1400/1800 3x0.33 on 1.0 off Waiting tone - 425 0.15 on 0.15 off 0.15 on 4.0 off French Polynesia (Territoire français d'outre-mer) Acceptance tone - 440 1.7 on 3.3 off Busy tone - 440 0.5 on 0.5 off Congestion tone - 440 0.5 on 0.5 off Dial tone - 440 continuous Second dial tone - 440+330 continuous Howler tone - 3000 continuous Pay tone - 440 continuous Ringing tone - 440 1.7 on 3.3 off Special information tone - 950/1400/1800 3x0.33 on 1.0 off Call waiting tone - 440 1.7 on 3.3 off Portugal Acceptance tone - 425 1.0 on 0.2 off Busy tone - 425 0.5 on 0.5 off Congestion tone - 425 0.2 on 0.2 off Dial tone - 425 continuous Special dial tone - 425 1.0 on 0.2 off Number unobtainable tone - 425 0.2 on 0.2 off Pay tone - I 250 0.5 on Pay tone - II 770 0.5 on Pay tone - III 985 1.0 on 1.0 off Pay tone - IV 941 0.2 on 0.2 off Pay tone - V 697 1.0 on Payphone recognition tone - I 1477/941 0.2 on 0.2 off 0.2 on 2.0 off Payphone recognition tone - II 1633/1209 0.2 on 0.2 off 0.2 on 2.0 off Payphone recognition tone - III 25+50 1.0 on 4.0 off Refusal tone - 450/1400/1800 3x0.33 on 1.0 off Ringing tone - 425 1.0 on 5.0 off Special ringing tone - 425 2x(1.0 on 5.0 off) Special information tone - 950/1400/1800 3x0.33 on 1.0 off Warning tone - operator intervening 425 3x(0.2 on 1.4 off) Call waiting tone - 425 0.2 on 0.2 off 0.2 on 5.0 off Puerto Rico Payphone recognition tone - 1100+1750/750+1450 0.2 on 0.2 off 0.2 on 2.0 off Qatar (State of) Acceptance tone - 400+450 0.38 on 0.25 off 0.38 on 2.00 off Busy tone - I 400+450 0.8 on 0.8 off Busy tone - II 400 0.375 on 0.375 off Busy tone - III 400 0.5 on 0.5 off Congestion tone - 400 0.40 on 0.35 off 0.22 on 0.52 off Dial tone - 350+440 continuous Line lock-out tone - 400 0.32 on 0.32 off Number unobtainable tone - 400 continuous Refusal tone - 400 continuous Ringing tone - I 400+450 0.38 on 0.25 off 0.38 on 2.0 off Ringing tone - II 400+450 0.4 on 0.2 off 0.4 on 2.0 off Special information tone - 330+440 1.0 on 1.0 off Call waiting tone - 400 0.3 on 10.0 off Syrian Arab Republic Busy tone - 450 0.5 on 0.5 off Congestion tone - 450 0.25 on 0.25 off Dial tone - 450 continuous Ringing tone - 400//450 1.0 on 0.5 off Special information tone - 950/1400/1800 (3x0.33 on 2x0.03 off) 1.0 off Call waiting tone - 450 0.1 on 0.2 off 0.1 on 9.5 off Kyrgyz Republic Busy tone - 425 0.4 on 0.4 off Congestion tone - 425 0.4 on 0.4 off Number unobtainable tone - 425 0.4 on 0.4 off Ringing tone - 425 0.8 on 3.2 off Slovak Republic Busy tone - 425 0.33 on 0.33 off Congestion tone - 425 0.165 on 0.165 off Conference tone - 425 0.66 on Dial tone - I 425 0.33 on 0.33 off 0.66 on 0.66 off Dial tone - II (pabx) 425 continuous Special dial tone - 425 3x(0.165 on 0.165 off) 0.660 on 0.660 off Offering tone, trunk - 425 0.33 on 0.33 off 0.33 on 1.50 off Pay tone - I (cards) 622 0.125 on 0.125 off Pay tone - II (coins) 941 0.2 on 0.2 off 0.2 on 3.6 off Ringing tone - 425 1.0 on 4.0 off Special information tone -950/1400/1800 (3x0.33 on 2x0.03 off) 1.00 on Call waiting tone - 425 0.33 on 9.0 off Caller waiting tone - 425 1.00 on 0.17 off 0.33 on 3.50 off Czech Republic Busy tone - 425 0.33 on 0.33 off Connection tone - 1400 0.05 on 0.05 off Congestion tone - 425 0.165 on 0.165 off Dial tone - 425 0.33 on 0.33 off 0.66 on 0.66 off Ringing tone - 425 1.0 on 4.0 off Special information tone - 950/1400/1800(3x0.33 on 2x0.03 off) 1.0 off Call waiting tone - 425 0.33 on 9.0 off Caller waiting tone - 425 1.00 on 0.17 off 0.33 on 3.50 off Reunion (French Department of) Busy tone - 440 0.5 on 0.5 off Dial tone - 440//330+440 continuous Ringing tone - 440 1.5 on 3.5 off Special information tone - 950/1400/1800 3x0.3 on 1.0 off Call waiting tone - 440 2x(0.3 on 8.0 off 0.4 on 8.0 off 0.3 on 8.0 off) Romania Busy tone - 133//450 0.15 on 0.20 off Dial tone - 400//450 continuous Number unobtainable tone - 400//450 6x(0.033 on 0.03 off) 0.1 on 0.03 off Ringing tone - 400x16//450x25 2.0 on 4.0 off United Kingdom of Great Britain and Northern Ireland Busy tone - 400 0.375 on 0.375 off Congestion tone - 400 0.4 on 0.35 off 0.225 on 0.525 off Dial tone - 50//350+440 continuous Number unobtainable tone - 400 continuous Pay tone - 400 0.125 on 0.125 off Payphone recognition tone - 1200/800 0.2 on 0.2 off 0.2 on 2.0 off Ringing tone - 400+450//400x25//400x1 0.4 on 0.2 off 0.4 on 2.0 off 6 2/3 Russian Federation Busy tone - 425 0.4 on 0.4 off Ringing tone - 425 0.8 on 3.2 off Waiting tone - 950/1400/1800 3x0.333 on 1.0 off Rwandese Republic Busy tone - 440 0.5 on 0.5 off Congestion tone - announcement Dial tone - 440 continuous Second dial tone - 340 continuous Pay tone - 12000 0.125 on Ringing tone - 440 1.7 on 3.3 off Route tone - 440 0.05 on 0.05 off Special information tone - 950/1400/1800 3x0.33 on 1.0 off Saint Kitts and Nevis Busy tone - 480+620 0.5 on 0.5 off Congestion tone - 480+620 0.25 on 0.25 off Dial tone - 350+440 continuous Recall dial tone - 350+440 3x(0.1 on 0.1 off) + continuous Number unobtainable tone - 480+620 0.25 on 0.25 off Payphone recognition tone - 1600/1143 0.2 on 0.2 off 0.2 on 2.0 off Ringing tone - 440+480 2.0 on 4.0 off Special information tone - 950/1400/1800 3x0.33 on 1.0 off Warning tone -operator intervening 450 0.2 on 0.2 off 0.65 on 0.2 off Waiting tone - 440 1x(0.5 on 10.0 off 0.5 on) San Marino (Republic of) Busy tone - 425 0.2 on 0.2 off Dial tone - 425 0.6 on 1.0 off 0.2 on 0.2 off Ringing tone - 425 1.0 on 4.0 off Saint Pierre and Miquelon (Collectivité territoriale de la République française) Busy tone - 440 0.5 on 0.5 off Dial tone - 440//330+440 continuous Ringing tone - 440 1.5 on 3.5 off Special information tone - 950/1400/1800 3x0.3 on 1.0 off Call waiting tone - 440 2x(0.3 on 8.0 off 0.4 on 8.0 off 0.3 on 8.0 off) Saint Vincent and the Grenadines Busy tone - 400 0.375 on 0.375 off Congestion tone - 400 0.40 on 0.35 off 0.225 on 0.525 off Dial tone - I 350+450 continuous Dial tone - II 350+450 0.75 on 0.75 off Pay tone - 400 0.125 on 0.125 off Ringing tone - 400+450 0.4 on 0.2 off Special information tone - 950/1400/1800 3x(0.33 on 1.0 off) Call waiting tone - 400 0.1 on 5.0 off Saint Helena Busy tone - 400 0.375 on 0.375 off Congestion tone - 400 0.4 on 0.35 off Dial tone - 350+400 continuous Number unobtainable tone - 400 continuous Pay tone - 400 0.125 on 0.125 off Ringing tone - 400+450 0.4 on 0.2 off Saint Lucia Busy tone - 425 0.5 on 0.5 off Congestion tone - 425 0.25 on 0.25 off Dial tone - 425 continuous Special dial tone - 425+330 continuous Pay tone - 622 0.136 on 0.136 off Ringing tone - 425 0.375 on 0.25 off 0.375 on 2.0 off Route tone - 425 0.05 on 0.05 off Warning tone - 425 0.1 on 4.9 off Call waiting tone - 425 0.2 on 0.2 off 0.2 on 4.0 off Solomon Islands Busy tone - 400 0.5 on 0.5 off Congestion tone - 400 0.1 on 0.1 off Dial tone - 400 continuous Number unobtainable tone - 400 0.075 on 0.1 off Pay tone - 852 0.2 on 2.0 off Ringing tone - 400+450 0.4 on 0.2 off Waiting tone - 400+450/400 0.5 on 0.5 off Western Samoa (Independent State of) Congestion tone - announcement Dial tone - 425 continuous Number unobtainable tone - announcement Ringing tone - 425x25 0.375 on 0.25 off 0.375 on 2.0 off Sao Tome and Principe (Democratic Republic of) Busy tone - 425 0.5 on 0.5 off Dial tone - 425 continuous Pay tone - 12000 continuous Ringing tone - 425 1.0 on 5.0 off Special information tone - 950/1400/1800 3x0.33 on 1.0 off Call waiting tone - 425 0.2 on 1.0 off Senegal (Republic of) Busy tone - 440 0.5 on 0.5 off Dial tone - 440 continuous Ringing tone - 400 1.7 on 3.3 off Special information tone - 900/1380/1860 0.35 on 0.30 on 0.35 on Seychelles (Republic of) Busy tone - 425 0.375 on 0.375 off Congestion tone - 425 0.4 on 0.2 off 0.225 on 0.525 off Dial tone - 440+350 continuous Special dial tone - 425 1.0 on 0.1 off Facilities tone - 425 0.4 on 0.2 off 0.4 on 2.0 off Howler tone - 3000 continuous Number unobtainable tone - 425 continuous Ringing tone - 425 0.4 on 0.2 off 0.4 on 2.0 off Route tone - 425 0.5 on 0.5 off Special information tone - 900/1400/1800 3x0.33 on 1.0 off Test number tone - 800//1900 continuous Call waiting tone - 425 3x(0.3 on 9.7 off) Sierra Leone Busy tone - 425//450 0.5 on 0.5 off Congestion tone - 425 0.2 on 0.2 off Dial tone - 425//450 continuous Number unobtainable tone - 950//450/150 0.33 on 0.03 off Ringing tone - 425//450 1.0 on 4.0 off Waiting tone - 425 1x(1.0 on) Singapore (Republic of) Busy tone - 425 0.75 on 0.75 off Congestion tone - 425 0.25 on 0.25 off Dial tone - 425 continuous Ringing tone - 425x24 0.4 on 0.2 off 0.4 on 2.0 off Special information tone - 950/1400/1800 3x0.33 on 1.00 off Call waiting tone - 425 0.3 on 0.2 off 0.3 on 3.2 off Slovenia (Republic of) Busy tone - 425 0.5 on 0.5 off Congestion tone - 425 0.2 on 0.2 off Dial tone - 425 0.2 on 0.3 off 0.7 on 0.8 off Special dial tone - 425 continuous Offering tone, trunk - 425 0.2 on 0.3 off 0.7 on 0.8 off Pay tone - 425 0.5 on 15.0 off Payphone recognition tone - 1100+1750/750+1450 0.2 on 0.2 off 0.2 on 2.0 off Ringing tone - 425 1.0 on 4.0 off Special information tone - 950/1400/1800 3x0.33 on 1.00 off Call waiting tone - 425 0.3 on 10.0 off Sri Lanka (Democratic Socialist Republic of) Busy tone - 425 0.75 on 0.75 off Congestion tone - 425 0.25 on 0.25 off Dial tone - 425 continuous Holding tone - 425 0.5 on 2.5 off Intrusion tone - 425 0.5 on 0.75 off Number unobtainable tone - 425+330 continuous Ringing tone - 425 0.4 on 0.2 off 0.4 on 2.0 off Route tone - 425 0.05 on 0.05 off Special information tone - 950/1400/1800 (3x0.33 on 2x 0.03 off) Warning tone - 425 0.5 on 4.5 off Call waiting tone - 425 0.5 on 2.5 off South Africa (Republic of) Busy tone - 400 0.5 on 0.5 off Comfort tone - 950/950/1400 0.65 on 0.325 off 0.325 on 1.3 on 2.6off Congestion tone - 400 0.25 on 0.25 off Dial tone - 400x33 continuous Special dial tone - 400x33 0.25 on 0.25 off + continuous Function acknowledge tone - 700/1100 0.25 on 0.25 off 0.25 on 0.25 off Intrusion tone - 400 0.15 on 0.25 off 0.15 on 1.45 off Notify tone - 900 0.2 on 0.2 off 0.2 on 0.2 off Number unobtainable tone - 400 2.5 on 0.5 off Ringing tone - 400x33 0.4 on 0.2 off 0.4 on 2.0 off Special information tone - 950/1400/1800 3x0.33 on 1.0 off Call waiting tone - 400x33 0.4 on 4.0 off Sweden Busy tone - I 425 0.25 on 0.25 off Busy tone - II (1) 425 0.5 on 0.5 off Congestion tone - I 425 0.25 on 0.75 off Congestion tone - II (1) 425 0.2 on 0.2 off Dial tone - 425 continuous Second dial tone - 425 continuous Special dial tone - 425 0.32 on 0.02 off Pay tone - 941 2x(0.2 on 0.2 off 0.2 on 3.6 off) Payphone recognition tone - 1477/941 11x(0.2 on 0.2 off 0.2 on 2.0 off) Ringing tone - I 425 1.0 on 5.0 off Ringing tone - II (1) 425 1.0 on 4.0 off Ringing tone - III (5)(9) 400 1.0 on 9.0 off Special information tone - I 950/1400/1800 3x0.33 on 1.0 off + announcement Special information tone - II (5)(9) 400 3x(0.05 on 0.2 off) 0.6 on 0.2 off Warning tone - operator intervening 1400 0.1 on 1.5 off Warning tone - three party conference 1400 0.35 on 15.0 off Warning tone - time limit barring 425 2.0 on 5.0 off + continuous Call waiting tone - I 425 1x(0.2 on 0.5 off 0.2 on) Call waiting tone - II (1) 425 0.2 on 0.6 off 0.2 on 3.0 off 0.2 on 0.6 off 0.2 on Switzerland (Confederation of) Busy tone - 425 0.5 on 0.5 off Congestion tone - 425 0.2 on 0.2 off Dial tone - 425 continuous Special dial tone - 425+340 1.1 on 1.1 off Intrusion tone - 1400 0.2 on 2.0 off Pay tone - 1200 1.0 on Ringing tone - 425 1.0 on 4.0 off Special information tone - 950/1400/1800 3x0.333 on 1.0 off Warning tone - 1400 0.45 on 15.0 off Call waiting tone - 425 0.2 on 0.2 off 0.2 on 4.0 off Suriname (Republic of) Busy tone - 425 0.5 on 0.5 off Congestion tone - 425 0.25 on 0.25 off Dial tone - 425 continuous Ringing tone - 425 4.0 on 1.0 off Special information tone - 950/1400/1800 3x0.33 on 1.0 off Swaziland (Kingdom of) Busy tone - I 400 0.5 on 0.5 off Busy tone - II 400 0.4 on 0.4 off Dial tone - 50 continuous Number unobtainable tone - 400 4.8 on 0.2 off Pay tone - 900 0.25 on 0.25 off Payphone recognition tone - I 1430/943 2.0 on 2.0 off Payphone recognition tone - II 1100+1750/750+1450 0.2 on 0.2 off 0.2 on 2.0 off Ringing tone - 400 0.4 on 0.2 off 0.4 on 4.0 off Tajikistan (Republic of) Busy tone - 425 0.4 on 0.4 off Congestion tone - 425 0.4 on 0.4 off Dial tone - 425 continuous Pay tone - 1400 1.0 on 1.0 off Ringing tone - 425 0.8 on 3.2 off Special information tone - 425 continuous Call waiting tone - 950/1400/1800 0.8 on 3.2 off Taiwan, China Busy tone - 480+620 0.5 on 0.5 off Dial tone - 350+440 continuous Special dial tone - 350+440 3x(0.1 on 0.1 off) + continuous Ringing tone - 440+480 1.0 on 2.0 off Re-order tone - 480+620 0.25 on 0.25 off Warning tone - 392/494/587 2x(0.5 on 0.5 on 1.5 on) Call waiting tone - I 440+480 1.5 on Call waiting tone - II 350+440 0.25 on 0.25 off 0.25 on 5.25 off Tanzania (United Republic of) Acceptance tone - 425 continuous Busy tone - I 425 1.0 on 1.0 off Busy tone - II 400 0.5 on 0.5 off Congestion tone - I 425 0.375 on 0.375 off Congestion tone - II 400 0.25 on 0.25 off Dial tone - 425//400 continuous Intrusion tone - 425 0.05 on 0.20 off Pay tone - 1100+1750//750+1450 0.2 on 0.2 off Refusal tone - 425 1.0 on 1.0 off Ringing tone - I 425 1.0 on 4.0 off Ringing tone - II 400 0.4 on 0.2 off 0.4 on 2.0 off Special information tone - I 950/1400/1800 0.375 on 0.03 off 0.375 on 0.03 off 0.375 on Special information tone - II 950/1400/1800 3x0.33 on 1.0 off Test number tone - 2010 continuous Call waiting tone - I 425 0.05 on 0.20 off Call waiting tone - II 400 0.4 on 0.2 off Chad (Republic of) Busy tone - 440 0.5 on 0.5 off Dial tone - 440 continuous Second dial tone - 330+400 continuous Ringing tone - 440 1.7 on 3.3 off Special information tone - 950/1400/1800 (3x0.33 on 2x0.03 off) 1.0 off Thailand Busy tone - 400 0.5 on 0.5 off Congestion tone - 400 0.3 on 0.3 off Dial tone - 400x50 continuous Ringing tone - 400 1.0 on 4.0 off Special information tone - announcement Call waiting tone - 400 1.0 on 10.0 off 1.0 on Trinidad and Tobago Busy tone - 480+620 0.5 on 0.5 off Dial tone - 350+440 continuous Ringing tone - 440+480 2.0 on 4.0 off Re-order tone - I 480+620 0.3 on 0.2 off Re-order tone - II (8) 480+620 0.2 on 0.3 off Waiting tone - 440 0.3 on 10.0 off Tunisia Busy tone - 425 0.25 on 0.25 off Congestion tone - 425 0.167 on 0.167 off Dial tone - 425 continuous Pay tone - 12000 0.125 on Ringing tone - 425 1.20 on 4.65 off Special information tone - 900/1400/1800(3x0.33 on 2x0.03 off) 1.0 off Call waiting tone - 425 0.2 on 0.6 off Turkmenistan Busy tone - 425 0.4 on 0.4 off Congestion tone - 425 0.4 on 0.4 off Dial tone - 425 continuous Second dial tone - 425 continuous Number unobtainable tone - 425 0.8 on 4.0 off Ringing tone - 25 0.4 on 4.0 off Route tone - 25 0.4 on 0.4 off Turks and Caicos Islands Busy tone - 480+620 0.5 on 0.5 off Congestion tone - 480+620 0.25 on 0.25 off Dial tone - 350+440 continuous Recall dial tone - 350+440 3x(0.1 on 0.1 off) + continuous Number unobtainable tone - 480+620 0.25 on 0.25 off Payphone recognition tone - 1600/1143 0.2 on 0.2 off 0.2 on 2.0 off Ringing tone - 440+480 2.0 on 4.0 off Special information tone - 950/1400/1800 3x0.33 on 1.0 off Warning tone - operator intervening 450 0.2 on 0.2 off 0.65 on 0.2 off Waiting tone - 440 1x(0.5 on 10.0 off 0.5 on) Turkey Busy tone - 450 0.5 on 0.5 off Confirmation tone - 450 0.04 on 0.04 off Congestion tone - 450 3x(0.2 on 0.2 off) 0.6 on 0.2 off Dial tone - 450 1.00 on 0.25 off Number unobtainable tone - 450 0.2 on 0.2 off Ringing tone - 450 2.0 on 4.0 off Special information tone - 950/1400/1800 3x0.3 on 1.0 off Warning tone - operator intervening 450 0.2 on 0.2 off 0.6 on 0.2 off Waiting tone - I 350+450 0.5 on 0.5 off Waiting tone - II 450 0.5 on 2.5 off Call waiting tone - 450 0.2 on 0.6 off 0.2 on 8.0 off Uruguay (Eastern Republic of) Busy tone - 425 0.5 on 0.5 off Congestion tone - 425 0.25 on 0.25 off Dial tone - I 425 continuous Dial tone - II 450 0.7 on 0.8 off 0.2 on 0.3 off Negative indication tone - 425 0.5 on 0.5 off Positive indication tone - 425 2x(0.1 on 0.2 off) 0.1 on 1.3 off Ringing tone - 425 1.0 on 4.0 off Special information tone - 950/1400/1800 3x0.333 on 1.0 off Warning tone - operator intervening 425 0.15 on 0.25 off 0.15 on 1.45 off Waiting tone - 425 0.2 on 0.2 off 0.2 on 4.4 off Vanuatu (Republic of) Busy tone - 425 0.5 on 0.5 off Congestion tone - 425 0.5 on 0.5 off Dial tone - 425 continuous Pay tone - 1477/941 0.2 on 0.2 off 0.2 on 2.0 off Ringing tone - 425 1.0 on 4.0 off Special information tone - 950/1400/1800 3x0.33 on 2x0.03 off 1.0 off Call waiting tone - 425 0.3 on 10.0 off Venezuela (Republic of) Busy tone - 425 0.5 on 0.5 off Confirmation tone - 425 0.1 on 0.1 off 0.3 on 0.1 off Congestion tone - 425 0.25 on 0.25 off Dial tone - 425 continuous Howler tone - 1440 0.5 on 0.5 off Pay tone - 800 1.0 on 15.0 off Ringing tone - 425 1.0 on 4.0 off Special information tone - 950/1440/1800 3x0.33 on 1.0 off Call waiting tone - 400/450 0.3 on 6.0 off Caller waiting tone - 425 1.0 on 4.0 off British Virgin Islands Busy tone - 480+620 0.5 on 0.5 off Congestion tone - 480+620 0.25 on 0.25 off Dial tone - 350+440 continuous Recall dial tone - 350+440 3x(0.1 on 0.1 off) + continuous Number unobtainable tone - 480+620 0.25 on 0.25 off Payphone recognition tone - 1600/1143 0.2 on 0.2 off 0.2 on 2.0 off Ringing tone - 440+480 2.0 on 4.0 off Special information tone - 950/1400/1800 3x0.33 on 1.0 off Warning tone - operator intervening 450 0.2 on 0.2 off 0.65 on 0.2 off Call waiting tone - 440 1x(0.5 on 10.0 off 0.5 on) Wallis and Futuna (Territoire français d'outre-mer) Busy tone - 440 0.5 on 0.5 off Dial tone - 440//330 continuous Pay tone - 12000 0.1 on Ringing tone - 440 1.5 on 3.5 off Route tone - 440 0.05 on 0.05 off Special information tone - 950/1400/1800(3x0.3 on 2x0.03 off) 1.0 off Yugoslavia (Federal Republic of) Busy tone - I 425 0.5 on 0.5 off Busy tone - II 425 0.2 on 0.4 off Dial tone - 425 0.7 on 0.8 off 0.2 on 0.3 off Ringing tone - I 450x25 1.0 on 9.0 off Ringing tone - II 425 1.0 on 4.0 off Special information tone - 950/1400/1800 3x0.333 on 1.0 off Zambia (Republic of) Busy tone - 425 0.5 on 0.5 off Congestion tone - 425 0.25 on 0.25 off Dial tone - 425 continuous Pay tone - 800 2.0 on Payphone recognition tone - 1600 0.1 on Ringing tone - 425 1.0 on 4.0 off Special information tone - 950/1400/1800 3x0.333 on 1.0 off Call waiting tone - 425 0.1 on 4.9 off Zimbabwe (Republic of) Busy tone - 400 0.375 on 0.375 off Congestion tone - 425 0.167 on 0.167 off Dial tone - 425 continuous Pay tone - 1500+1000 0.2 on 0.2 off 0.2 on 2.0 off Ringing tone - 450 1.0 on 4.0 off Special information tone - 950/1400/1800 3x0.33 on 1.0 off Call waiting tone - 523//659 1.5 on 1.5 off ******************************************************************************* 1 For PLMN/GSM. 2 This tone is used within the supplementary service 'Call Waiting' the duration is 30 seconds. 3 This tone is also used in private automatic branch exchanges (PABX). 4 This tone bursts every 15 seconds. 5 Analogue exchanges. 6 Two bursts, ten seconds apart. 7 Special dial tone is used when call transfer is active. 8 Trunk. 9 Until 1998/1999. ******************************************************************************* Explanation of symbols Frequency in Hz: f1×f2 f1 is modulated by f2 f1+f2 the juxtaposition of two frequencies f1 and f2 without modulation f1/f2 f1 is followed by f2 f1//f2 in some exchanges frequency f1 is used and in others frequency f2 is used. 04/13/03 EOF