Misc Tones Used In National Networks
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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
