Network Planning Information | Notes to Users |
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Step 4: Network Planning Information
Table
Table A-3
Tones/ |
| Frequency | Cadence | Meaning | |
Signal to: |
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Exchange | Music On Hold 1209Hz | N/A 0.12 ON 2s Off | Call on Hold | ||
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Line | Internaql Hold Tone | ||||
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| 1. | 500/640Hz | 1s On 3s Off OR 1sOn 1s Off | I/C PSTN call Opt.1 & 2. | |
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| 2. | 1240/1560Hz | 1s On 3s Off OR 1sOn 1s Off | I/C PSTN call Opt.3 & 4. | |
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| 3. | 840/1060Hz | 1s On 3s Off OR 1sOn 1s Off | I/C PSTN call Opt.5 & 6. | |
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| 4. | 860/1060Hz (T1) & 1240/ | I/C PSTN call Opt.7. | ||
| 1560Hz (T2) | ON | I/C PSTN call Opt.8. | ||
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| 5. | 2000Hz mod by 10Hz |
| I/C PSTN to Busy DKT | |
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| 5. | 500Hz | 1s On 3s Off | I/C Int call Opt 1 | |
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DKT | 6. 1300Hz | 1s On 1 S Off | I/C Int call Opt 2 | ||
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| 7. | 1000/800Hz | 0.6s On 1000Hz/0.6s On 800Hz | Call from D/phone A | |
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| 8. | 1000/800Hz | 0.6s On 1000Hz/0.6s 800Hz | Call from D/phone B | |
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| 9. | 660/500 | 0.7s On 660Hz/0.7s On 500Hz | Call from D/phone B | |
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| 10. 2000Hz | 1s On 3s Off | Busy/DND Override | ||
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| 11. 2000Hz 10Hz Intrpt | 1s On 1 S Off | Recall Indication | ||
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| 12. 860/1180Hz (T1) & | Emergency Ring down Call | |||
| 1300/1780Hz (T2) | ||||
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Strata CTX |