
TABLE 3 - A . TDM BUS Time Slots
Time Slot No. | Function |
| 00 |
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| thru | Control |
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| 04 | (5) |
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| |
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| 05 | Dial | Tone | ||
| 06 | Busy | Tone | ||
| 07 | Tone | |||
| 08 | Ringback | Tone | ||
| 09 |
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| ||
| 10 | ||||
| 11 | Music |
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| |
| 12 | 697 Hz* |
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| 13 | 770 Hz* |
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| |
| 14 | 852 Hz* |
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| |
| 15 | 941 Hz* |
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| 16 | 1209 Hz* |
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| |
| 17 | 1336 Hz* |
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| 18 | 1447 Hz* |
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| 19 | 1637 Hz* |
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| |
|
| (15) |
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| 20 | Call |
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| thru | Processing | |||
| 254 | (235) |
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| 2 5 5 | Not Used |
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| |
|
| (1) |
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* These tones are used to generate
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