 


Disclaimer: Results may vary. This list is current, but there is no
standards for such tones. (they are kinda sorta in alphabetical order


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

C?te 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 (Collectivit?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
	Dial tone	-	425	continuous
	Ringing tone	-	25	1.0 on, 4.0 off
	Route tone	-	25	1.2 on, 2.0 off
	Ringing tone	-	425	1.0 on, 4.0 off
	Busy tone	-	425	0.35 on, 0.35 off
	Congestion tone	-	425	0.175 on, 0.175 off
	Special information tone	-	950/1400/1800	3 x 0.33 on, 1.0 off
	Warning tone - operator intervening	425	0.25 on, 0.25 off, 0.25 on, 1.25 off
	Call waiting tone	-	425	0.20 on, 5.0 off
	Record tone	-	1400	0.40 on, 15.0 off
	Pay tone	-	1400	1.0 on, 1.0 off (Only 3 REPETITIONS)
	Special tone of station	-	425	0.40 on, 0.04 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 (Collectivit?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


From ITU-T Recommendation E.180 supplement 2, p. 18:

Netherlands

Dial tone                       425 or 450 Hz          continuous             
Special dial tone            425 or 450 Hz          0.5 on, 0.05 off
Ringing                         425 or 450 Hz          1.0 on, 4.0 off
Busy tone 1                   425 or 450 Hz          0.5 on, 0.5 off
Busy tone 2                   425 or 450 Hz          0.25 on, 0.25 off
Congestion tone             425 or 450 Hz          0.25 on, 0.25 off
Special information tone   950 Hz for 0.333 sec, 1400 for 0.333, 1800 for 0.333,
                                     silence for 1.0
Waiting tone                   425 or 450 Hz          0.5 on, 9.5 off
Pay tone                        770 Hz or 850 Hz or 950 Hz for 1 to 2 seconds
                                    15 to 20 seconds before the expiration of
                                    paid time
Positive indication tone    425 or 450 Hz         continuous
Negative indication tone   425 or 450 Hz         0.0625 on, 0.0625 off


From Rob:
Australia Digital Tone Generator Supervision Tones
Tone 	Frequencies (Hz) 	Amplitude (dBm) 	Cadence
Dial-A	425 Mod 95% @ 25	-10			Continuous
Dial-B	400 + 425		-13			Continuous
Ring	425 Mod 95% @ 25	-10		0.4 seconds on, 0.2 seconds off,
						0.4 seconds on, 2 seconds off, REPEATED
Busy		425		-10		0.4 seconds on, 0.4 seconds off, REPEATED
Reorder		425		-10		0.2 seconds on, 0.2 seconds off, REPEATED
Number Unobtainable	425	-10		2.5 seconds on, 0.5 seconds off, REPEATED
Call Waiting		425	-10		0.2 seconds on, 0.2 seconds off,
						0.2 seconds on, 4.4 seconds off
Fax		2100		?		Continuous


