13.1.13 PRIVATE NETWORK FEATURES
[Receiving a Call through a TIE Line]
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| A call is received via a TIE line. |
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| The Incoming Number Modification Table |
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| checks the CO line port carrying the call, |
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| and modifies the number according to the |
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| method assigned for that port. |
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PBX Code Method |
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| Extension Number Method | |||||
(Access with PBX Code) |
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| (Access without PBX Code) | |||||
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| Yes |
| Does the | PBX have | No | |||
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| a PBX code (Own PBX Code) | ||||||
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| assigned to it? |
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| Does the modified number |
| No |
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| contain the PBX code |
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| assigned to this PBX? |
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| To A |
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| Yes |
| (found in the flowchart, |
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| [Making a Call via a TIE |
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| Modifies the number |
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| Line from an Extension]) |
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| by removing the PBX code. |
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The PBX checks the modified number to determine what kind of number it is.
| Operator Call No. |
| Extension No. |
| Extension No. |
| Idle Line |
| Other | |||||||
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| of this PBX |
| of Another PBX |
| Access No. |
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Directs the call |
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| To A |
| or | Reorder tone. | |||||||
to an operator. |
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| Trunk Group |
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| (found in the |
| Access No. |
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| Does the |
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| flowchart, |
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| No | [Making a Call |
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| corresponding |
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| PBX checks the Class of Service (COS) |
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| extension |
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| via a TIE Line |
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| of the incoming trunk group. |
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| exist? |
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| from an |
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| Yes |
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| Extension]) |
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| No | Is the |
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| Is the outgoing | trunk group | No | ||||||
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| programmed | to allow calls | |||||||||
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| extension idle? |
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| from this COS? |
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| Sends a reorder |
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| Yes | tone, or sends the |
| Yes | Reorder tone. | |||||||
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| call to an operator |
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| (Intercept Routing |
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| Call Waiting |
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| No Destination). | Does | No | ||||||||
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| Toll Restriction (TRS) allow | |||||||||
| Busy tone |
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| this COS |
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| Intercept Routing |
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| to make this call? |
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| Busy/DND |
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| Yes | Reorder tone. | ||
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| Calls the extension. |
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| Sends the call to the CO line. |
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2.Making a TIE Line Call
One of the following two methods can be used to make a TIE line call.
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Feature Manual | Document Version |