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Table of Contents

Tone Values

Tone Values

Table E-1 lists the tones along with their corresponding decimal and hexadecimal values, and port addresses. These numerical values and port addresses are used with the following:


Table E-1: Tones, Values, and Port Addresses
Tone Decimal Value Hex Value Port Address

Beep

0

00

None

Quiet

1

01

04C0

1 kHz

2

02

04C1

Dial Tone

3

03

04C2

380 Hz

4

04

04C3

440 Hz

5

05

04C4

480 Hz

6

06

04C5

1400 Hz

7

07

04C6

1000 Hz @ max CODEC output

8

08

04C7

913.8 Hz SIT

9

09

04C8

404 Hz

10

0A

04C9

1004 Hz

11

0B

04CA

2804 Hz

12

0C

04CB

Steady Ring Back

13

0D

04CC

1760 Hz Pay Phone Trigger

14

0E

04CD

Digital Test Pattern

15

0F

04CE

Unused

16

10

04CF

Ringback (2 seconds on/4 seconds off)

17

11

04D0

Line Busy (0.5 second on/0.5 second off)

18

12

04D1

Reorder (0.25 second on/0.25 second off)

19

13

04D2

NAK tone (380 Hz, 1 second on/0.1 second off)

20

14

04D3

BONG (Operator Access)

21

15

04D4

Unused

22-24

16-18

04D5-04D7

1780 Hz

25

19

04D8

2010 Hz

26

1A

04D9

Unused

27-32

20

04DA-04DF

DTMF digit 0 (steady

33

21

04E0

DTMF digit 1 (steady)

34

22

04E1

DTMF digit 2 (steady)

35

23

04E2

DTMF digit 3 (steady)

36

24

04E3

DTMF digit 4 (steady)

37

25

04E4

DTMF digit 5 (steady)

38

26

04E5

DTMF digit 6 (steady)

39

27

04E6

DTMF digit 7 (steady)

40

28

04E7

DTMF digit 8 (steady)

41

29

04E8

DTMF digit 9 (steady)

42

2A

04E9

DTMF digit A (steady)

43

2B

04EA

DTMF digit B (steady)

44

2C

04EB

DTMF digit C (steady)

45

2D

04EC

DTMF digit D (steady)

46

2E

04ED

DTMF digit * (steady)

47

2F

04EE

DTMF digit # (steady)

48

30

04EF

MF digit 0 (steady)

49

31

04F0

MF digit 1 (steady)

50

32

04F1

MF digit 2 (steady)

51

33

04F2

MF digit 3 (steady)

52

34

04F3

MF digit 4 (steady)

53

35

04F4

MF digit 5 (steady)

54

36

04F5

MF digit 6 (steady)

55

37

04F6

MF digit 7 (steady)

56

38

04F7

MF digit 8 (steady)

57

39

04F8

MF digit 9 (steady)

58

3A

04F9

MF digit KP (steady)

59

3B

04FA

MF digit ST (steady)

60

3C

04FB

MF digit STP (steady)

61

3D

04FC

MF digit ST2P (steady)

62

3E

04FD

MF digit ST3P (steady)

63

3F

04FE


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Posted: Sat Sep 28 14:35:47 PDT 2002
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