PERCEPTION 4000 |
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| FEATURE OPERATION | |||||||||
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| TONE |
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| TEMPORAL PATTERN |
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| FREQUENCY | INDICATION |
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| (TIME IN SECONDS) |
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| Advance |
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| The call you placed is being |
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| A: 440/480 |
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| 0.2 |
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| 0.2 |
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| routed through a more |
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| Tone |
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| B 0.2 | 0.2 |
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| B: Silence | expensive call facility. |
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| Busy |
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| The station or trunk you |
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| 480/620 | have dialed is busy or is |
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| Tone |
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| 0.5 |
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| in Do Not Disturb mode. |
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| Call Waiting |
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| A |
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| A: 350/440 | A station call is camped- |
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| on to your line. |
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| Tone (Station) |
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| 0.2 |
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| B: Silence |
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| B |
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| Call Waiting |
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| A: 350/440 | A trunk call is camped- |
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| Tone (Trunk) |
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| B |
| 0.2 |
| 0.2 | 0.2 |
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| B: Silence | on to your line. |
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| Dial Tone |
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| 350/440 | Proceed with dialing. |
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| A |
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| A: f1 | = 440 | Your station is the subject of an |
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| Attendant Override. Following |
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| f 2 | = 620 |
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| this tone, you will hear Override |
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| f2 | B | C | B: Silence |
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| Tone |
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| Access Tone while your call is |
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| 0.5 |
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| 0.2 |
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| C: 620 |
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| being monitored. |
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| Override |
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| A |
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| Both the attendant and station |
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| A: 350/440 |
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| Access |
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| parties will hear this tone while |
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| B | B: 620 |
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| Tone |
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| a call is being monitored. |
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| 0.4 |
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| Recall |
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| A: 620 | Additional digit entry is required |
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| Dial Tone |
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| 0.2 |
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| B: Silence | to complete the current feature. |
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| Reorder |
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| 480/620 | Your call has been |
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| denied due to a dialing |
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| Tone |
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| 0.25 |
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| 0.25 |
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| error or service restrictions. |
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| Ringback |
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| 440/480 | Your call is ringing. |
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| Tone |
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| Stutter |
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| A: 620 | You have a message waiting. |
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| Dial Tone |
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| B: Silence |
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| Success |
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| f 1 | = 440 | Feature activation has been |
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| Tone |
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| 0.5 |
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| f 2 | = 620 | accepted by the system. |
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