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| Chapter 4: Configuring your VOIP | |
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| FXO Supervision Parameter Definitions | ||
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| Answer | Supervision fields |
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| Current Reversal |
| Y/N | When this option is selected, the FXO interface sends notice to make |
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| connection upon detecting current reversal from the PBX (which |
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| occurs when the called extension goes off hook). |
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| Answer Delay |
| Y/N | When this option is selected, the FXO interface sends the connection |
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| notice to the calling party only when the Answer Delay Timer expires. |
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| The connection notice is sent regardless of whether or not the called |
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| extension has gone off hook. |
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| Answer Delay |
| 1 – 65535 | When Answer Delay is enabled, this value determines when the FXO |
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| Timer |
| (in seconds) | interface sends the connection notice. |
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| Tone Detection |
| Y/N | When selected, call disconnection will be triggered by a tone |
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| Available Tones |
| dial tone, | List from which tones can be chosen to signal call answer. |
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| ring tone, |
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| busy tone, |
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| unobtainable tone |
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| (fast busy), |
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| survivability tone, |
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| Answer Tones |
| any tone from | Currently chosen |
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| Available Tones list |
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| Disconnect | Supervision fields | There are four possible criteria for disconnection under FXO: current |
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| reversal, current loss, tone detection, and silence detection. |
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| Disconnection can be triggered by more than one of the three criteria. |
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| Current Reversal |
| Y/N | Disconnection to be triggered by reversal of current from the PBX. |
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| Current Loss |
| Y/N | Disconnection to be triggered by loss of current. That is, when Current |
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| Loss is enabled (“Y”), the MultiVOIP will hang up the call at a specified |
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| interval after it detects a loss of current initiated by the attached |
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| device. |
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| Current Loss Timer |
| 200 to 2000 | Determines the interval after detection of current loss at which the call |
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| (in milliseconds) | will be disconnected. |
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| Silence Detection |
| Y/N | Enables/disables |
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| Enable |
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| disconnection. |
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| Silence Detection |
| Disconnection to be triggered by silence in one direction only or in |
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| Type |
| both directions simultaneously |
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| Silence Timer in |
| integer value | Duration of silence required to trigger disconnection. |
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| seconds |
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Table is continued on next page…
47 |
